201021122321132 has 12 divisors (see below), whose sum is σ = 351787998628920. Its totient is φ = 100510265570016.

The previous prime is 201021122321113. The next prime is 201021122321141. The reversal of 201021122321132 is 231123221120102.

It is a super-2 number, since 2×201021122321132² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201021122321098 and 201021122321107.

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, 72363953 + ... + 75090504.

It is an arithmetic number, because the mean of its divisors is an integer number (29315666552410).

Almost surely, 2^{201021122321132} is an apocalyptic number.

It is an amenable number.

201021122321132 is a deficient number, since it is larger than the sum of its proper divisors (150766876307788).

201021122321132 is a wasteful number, since it uses less digits than its factorization.

201021122321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147795280 (or 147795278 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201021122321132 its reverse (231123221120102), we get a palindrome (432144343441234).

The spelling of 201021122321132 in words is "two hundred one trillion, twenty-one billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-two".