21112022302 has 24 divisors (see below), whose sum is σ = 37176309720. Its totient is φ = 8964995760.

The previous prime is 21112022291. The next prime is 21112022341. The reversal of 21112022302 is 20322021112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977524 + ... + 998887.

It is an arithmetic number, because the mean of its divisors is an integer number (1549012905).

Almost surely, 2^21112022302 is an apocalyptic number.

21112022302 is a deficient number, since it is larger than the sum of its proper divisors (16064287418).

21112022302 is a wasteful number, since it uses less digits than its factorization.

21112022302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976536 (or 1976529 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21112022302 its reverse (20322021112), we get a palindrome (41434043414).

The spelling of 21112022302 in words is "twenty-one billion, one hundred twelve million, twenty-two thousand, three hundred two".