1022110121 has 4 divisors (see below), whose sum is σ = 1022187012. Its totient is φ = 1022033232.

The previous prime is 1022110093. The next prime is 1022110139. The reversal of 1022110121 is 1210112201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 635594521 + 386515600 = 25211^2 + 19660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022110121 - 2¹⁸ = 1021847977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022110151) 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, 12806 + ... + 46991.

It is an arithmetic number, because the mean of its divisors is an integer number (255546753).

Almost surely, 2^1022110121 is an apocalyptic number.

It is an amenable number.

1022110121 is a deficient number, since it is larger than the sum of its proper divisors (76891).

1022110121 is an equidigital number, since it uses as much as digits as its factorization.

1022110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76890.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1022110121 is about 31970.4570033023. The cubic root of 1022110121 is about 1007.3163803645.

Adding to 1022110121 its reverse (1210112201), we get a palindrome (2232222322).

The spelling of 1022110121 in words is "one billion, twenty-two million, one hundred ten thousand, one hundred twenty-one".