21132201134 has 32 divisors (see below), whose sum is σ = 35407113984. Its totient is φ = 9376073280.

The previous prime is 21132201133. The next prime is 21132201137. The reversal of 21132201134 is 43110223112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132201133) 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, 1651967 + ... + 1664709.

It is an arithmetic number, because the mean of its divisors is an integer number (1106472312).

Almost surely, 2^21132201134 is an apocalyptic number.

21132201134 is a deficient number, since it is larger than the sum of its proper divisors (14274912850).

21132201134 is a wasteful number, since it uses less digits than its factorization.

21132201134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21132201134 its reverse (43110223112), we get a palindrome (64242424246).

The spelling of 21132201134 in words is "twenty-one billion, one hundred thirty-two million, two hundred one thousand, one hundred thirty-four".