201120111021210 has 32 divisors (see below), whose sum is σ = 482973374822400. Its totient is φ = 53600350897728.

The previous prime is 201120111021169. The next prime is 201120111021239. The reversal of 201120111021210 is 12120111021102.

It is a happy number.

It is a super-2 number, since 2×201120111021210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201120111021210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979867610 + ... + 1979969189.

It is an arithmetic number, because the mean of its divisors is an integer number (15092917963200).

Almost surely, 2^{201120111021210} is an apocalyptic number.

201120111021210 is an abundant number, since it is smaller than the sum of its proper divisors (281853263801190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201120111021210 is a wasteful number, since it uses less digits than its factorization.

201120111021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959838502.

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

Adding to 201120111021210 its reverse (12120111021102), we get a palindrome (213240222042312).

The spelling of 201120111021210 in words is "two hundred one trillion, one hundred twenty billion, one hundred eleven million, twenty-one thousand, two hundred ten".