20201211102 has 16 divisors (see below), whose sum is σ = 40673581200. Its totient is φ = 6688543872.

The previous prime is 20201211077. The next prime is 20201211113. The reversal of 20201211102 is 20111210202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11297323 + ... + 11299110.

It is an arithmetic number, because the mean of its divisors is an integer number (2542098825).

Almost surely, 2^20201211102 is an apocalyptic number.

20201211102 is an abundant number, since it is smaller than the sum of its proper divisors (20472370098).

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

20201211102 is a wasteful number, since it uses less digits than its factorization.

20201211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22596587.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201211102 its reverse (20111210202), we get a palindrome (40312421304).

The spelling of 20201211102 in words is "twenty billion, two hundred one million, two hundred eleven thousand, one hundred two".