201101201021100 has 36 divisors (see below), whose sum is σ = 581852808288584. Its totient is φ = 53626986938880.

The previous prime is 201101201021011. The next prime is 201101201021111. The reversal of 201101201021100 is 1120102101102.

201101201021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335168668069 + ... + 335168668668.

Almost surely, 2^{201101201021100} is an apocalyptic number.

201101201021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101201021100 is an abundant number, since it is smaller than the sum of its proper divisors (380751607267484).

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

201101201021100 is a wasteful number, since it uses less digits than its factorization.

201101201021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670337336754 (or 670337336747 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201101201021100 its reverse (1120102101102), we get a palindrome (202221303122202).

The spelling of 201101201021100 in words is "two hundred one trillion, one hundred one billion, two hundred one million, twenty-one thousand, one hundred".