22021002112102 has 32 divisors (see below), whose sum is σ = 40021230919680. Its totient is φ = 8886293036640.

The previous prime is 22021002112091. The next prime is 22021002112177. The reversal of 22021002112102 is 20121120012022.

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 15 ways as a sum of consecutive naturals, for example, 685654702 + ... + 685686817.

It is an arithmetic number, because the mean of its divisors is an integer number (1250663466240).

Almost surely, 2^{22021002112102} is an apocalyptic number.

22021002112102 is a deficient number, since it is larger than the sum of its proper divisors (18000228807578).

22021002112102 is a wasteful number, since it uses less digits than its factorization.

22021002112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371341596.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021002112102 its reverse (20121120012022), we get a palindrome (42142122124124).

The spelling of 22021002112102 in words is "twenty-two trillion, twenty-one billion, two million, one hundred twelve thousand, one hundred two".