21103332022112 has 48 divisors (see below), whose sum is σ = 41597296885872. Its totient is φ = 10538940948480.

The previous prime is 21103332022111. The next prime is 21103332022183. The reversal of 21103332022112 is 21122023330112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103332022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697823312 + ... + 697853552.

It is an arithmetic number, because the mean of its divisors is an integer number (866610351789).

Almost surely, 2^{21103332022112} is an apocalyptic number.

It is an amenable number.

21103332022112 is a deficient number, since it is larger than the sum of its proper divisors (20493964863760).

21103332022112 is a wasteful number, since it uses less digits than its factorization.

21103332022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55831 (or 55823 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21103332022112 its reverse (21122023330112), we get a palindrome (42225355352224).

The spelling of 21103332022112 in words is "twenty-one trillion, one hundred three billion, three hundred thirty-two million, twenty-two thousand, one hundred twelve".