21032122222112 has 24 divisors (see below), whose sum is σ = 42742700001792. Its totient is φ = 10176833332800.

The previous prime is 21032122222063. The next prime is 21032122222123. The reversal of 21032122222112 is 21122222123012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10600867064 + ... + 10600869047.

It is an arithmetic number, because the mean of its divisors is an integer number (1780945833408).

Almost surely, 2^{21032122222112} is an apocalyptic number.

It is an amenable number.

21032122222112 is an abundant number, since it is smaller than the sum of its proper divisors (21710577779680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21032122222112 is a wasteful number, since it uses less digits than its factorization.

21032122222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201736152 (or 21201736144 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21032122222112 its reverse (21122222123012), we get a palindrome (42154344345124).

The spelling of 21032122222112 in words is "twenty-one trillion, thirty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".