21113442202 has 16 divisors (see below), whose sum is σ = 32272680960. Its totient is φ = 10355943312.

The previous prime is 21113442197. The next prime is 21113442239. The reversal of 21113442202 is 20224431112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979699 + ... + 1001017.

It is an arithmetic number, because the mean of its divisors is an integer number (2017042560).

Almost surely, 2^21113442202 is an apocalyptic number.

21113442202 is a deficient number, since it is larger than the sum of its proper divisors (11159238758).

21113442202 is a wasteful number, since it uses less digits than its factorization.

21113442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30717.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21113442202 its reverse (20224431112), we get a palindrome (41337873314).

The spelling of 21113442202 in words is "twenty-one billion, one hundred thirteen million, four hundred forty-two thousand, two hundred two".