21100022302112 has 24 divisors (see below), whose sum is σ = 44736104977956. Its totient is φ = 9738471831552.

The previous prime is 21100022302087. The next prime is 21100022302129. The reversal of 21100022302112 is 21120322000112.

It can be written as a sum of positive squares in 2 ways, for example, as 21069605546896 + 30416755216 = 4590164^2 + 174404^2 .

It is a super-2 number, since 2×21100022302112² (a number of 27 digits) contains 22 as substring.

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, 25360603313 + ... + 25360604144.

Almost surely, 2^{21100022302112} is an apocalyptic number.

It is an amenable number.

21100022302112 is an abundant number, since it is smaller than the sum of its proper divisors (23636082675844).

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

21100022302112 is a wasteful number, since it uses less digits than its factorization.

21100022302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50721207480 (or 50721207472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21100022302112 its reverse (21120322000112), we get a palindrome (42220344302224).

The spelling of 21100022302112 in words is "twenty-one trillion, one hundred billion, twenty-two million, three hundred two thousand, one hundred twelve".