21132202113 has 12 divisors (see below), whose sum is σ = 33299227728. Its totient is φ = 12807395160.

The previous prime is 21132202093. The next prime is 21132202139. The reversal of 21132202113 is 31120223112.

It is not a de Polignac number, because 21132202113 - 2¹⁶ = 21132136577 is a prime.

It is a super-2 number, since 2×21132202113² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21132202153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106728195 + ... + 106728392.

It is an arithmetic number, because the mean of its divisors is an integer number (2774935644).

Almost surely, 2^21132202113 is an apocalyptic number.

It is an amenable number.

21132202113 is a deficient number, since it is larger than the sum of its proper divisors (12167025615).

21132202113 is a wasteful number, since it uses less digits than its factorization.

21132202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213456604 (or 213456601 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21132202113 its reverse (31120223112), we get a palindrome (52252425225).

The spelling of 21132202113 in words is "twenty-one billion, one hundred thirty-two million, two hundred two thousand, one hundred thirteen".