26421101 has 4 divisors (see below), whose sum is σ = 30195552. Its totient is φ = 22646652.

The previous prime is 26421067. The next prime is 26421107. The reversal of 26421101 is 10112462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10112462 = 2 ⋅5056231.

It is not a de Polignac number, because 26421101 - 2⁶ = 26421037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26421101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887215 + ... + 1887228.

It is an arithmetic number, because the mean of its divisors is an integer number (7548888).

Almost surely, 2^26421101 is an apocalyptic number.

It is an amenable number.

26421101 is a deficient number, since it is larger than the sum of its proper divisors (3774451).

26421101 is an equidigital number, since it uses as much as digits as its factorization.

26421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774450.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 26421101 is about 5140.1460095993. The cubic root of 26421101 is about 297.8404209943.

Adding to 26421101 its reverse (10112462), we get a palindrome (36533563).

The spelling of 26421101 in words is "twenty-six million, four hundred twenty-one thousand, one hundred one".