22021112102 has 24 divisors (see below), whose sum is σ = 36646901928. Its totient is φ = 9916037120.

The previous prime is 22021112051. The next prime is 22021112117. The reversal of 22021112102 is 20121112022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399323 + ... + 451110.

It is an arithmetic number, because the mean of its divisors is an integer number (1526954247).

Almost surely, 2^22021112102 is an apocalyptic number.

22021112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021112102 is a deficient number, since it is larger than the sum of its proper divisors (14625789826).

22021112102 is a wasteful number, since it uses less digits than its factorization.

22021112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850564 (or 850553 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021112102 its reverse (20121112022), we get a palindrome (42142224124).

The spelling of 22021112102 in words is "twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred two".