211010242 has 8 divisors (see below), whose sum is σ = 326725632. Its totient is φ = 102101700.

The previous prime is 211010237. The next prime is 211010249. The reversal of 211010242 is 242010112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (211010249) 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, 1701634 + ... + 1701757.

It is an arithmetic number, because the mean of its divisors is an integer number (40840704).

Almost surely, 2^211010242 is an apocalyptic number.

211010242 is a deficient number, since it is larger than the sum of its proper divisors (115715390).

211010242 is a wasteful number, since it uses less digits than its factorization.

211010242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403424.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 211010242 is about 14526.1915862348. The cubic root of 211010242 is about 595.3438137215.

Adding to 211010242 its reverse (242010112), we get a palindrome (453020354).

The spelling of 211010242 in words is "two hundred eleven million, ten thousand, two hundred forty-two".