21132201122 has 16 divisors (see below), whose sum is σ = 31786447680. Its totient is φ = 10536748368.

The previous prime is 21132201121. The next prime is 21132201133. The reversal of 21132201122 is 22110223112.

It is a self number, because there is not a number n which added to its sum of digits gives 21132201122.

It is not an unprimeable number, because it can be changed into a prime (21132201121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664603 + ... + 1677249.

It is an arithmetic number, because the mean of its divisors is an integer number (1986652980).

Almost surely, 2^21132201122 is an apocalyptic number.

21132201122 is a deficient number, since it is larger than the sum of its proper divisors (10654246558).

21132201122 is a wasteful number, since it uses less digits than its factorization.

21132201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14905.

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

Adding to 21132201122 its reverse (22110223112), we get a palindrome (43242424234).

The spelling of 21132201122 in words is "twenty-one billion, one hundred thirty-two million, two hundred one thousand, one hundred twenty-two".