21132076107 has 16 divisors (see below), whose sum is σ = 28619176320. Its totient is φ = 13866844992.

The previous prime is 21132076087. The next prime is 21132076129. The reversal of 21132076107 is 70167023112.

It is not a de Polignac number, because 21132076107 - 2⁸ = 21132075851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21132074107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218308 + ... + 299870.

It is an arithmetic number, because the mean of its divisors is an integer number (1788698520).

Almost surely, 2^21132076107 is an apocalyptic number.

21132076107 is a deficient number, since it is larger than the sum of its proper divisors (7487100213).

21132076107 is a wasteful number, since it uses less digits than its factorization.

21132076107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82922.

The product of its (nonzero) digits is 3528, while the sum is 30.

Adding to 21132076107 its reverse (70167023112), we get a palindrome (91299099219).

The spelling of 21132076107 in words is "twenty-one billion, one hundred thirty-two million, seventy-six thousand, one hundred seven".