21322130121112 has 16 divisors (see below), whose sum is σ = 40092248922840. Its totient is φ = 10630863741696.

The previous prime is 21322130121107. The next prime is 21322130121167. The reversal of 21322130121112 is 21112103122312.

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 3 ways as a sum of consecutive naturals, for example, 3775161858 + ... + 3775167505.

Almost surely, 2^{21322130121112} is an apocalyptic number.

It is an amenable number.

21322130121112 is a deficient number, since it is larger than the sum of its proper divisors (18770118801728).

21322130121112 is a wasteful number, since it uses less digits than its factorization.

21322130121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550329722 (or 7550329718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 21322130121112 its reverse (21112103122312), we get a palindrome (42434233243424).

The spelling of 21322130121112 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty million, one hundred twenty-one thousand, one hundred twelve".