201021112011201 has 32 divisors (see below), whose sum is σ = 270433454653440. Its totient is φ = 132813804682944.

The previous prime is 201021112011193. The next prime is 201021112011241. The reversal of 201021112011201 is 102110211120102.

It is a happy number.

It is not a de Polignac number, because 201021112011201 - 2³ = 201021112011193 is a prime.

It is a super-2 number, since 2×201021112011201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201021112011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1310847936 + ... + 1311001278.

It is an arithmetic number, because the mean of its divisors is an integer number (8451045457920).

Almost surely, 2^{201021112011201} is an apocalyptic number.

It is an amenable number.

201021112011201 is a deficient number, since it is larger than the sum of its proper divisors (69412342642239).

201021112011201 is a wasteful number, since it uses less digits than its factorization.

201021112011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157205.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201021112011201 its reverse (102110211120102), we get a palindrome (303131323131303).

The spelling of 201021112011201 in words is "two hundred one trillion, twenty-one billion, one hundred twelve million, eleven thousand, two hundred one".