202020102101100 has 36 divisors (see below), whose sum is σ = 584511495413384. Its totient is φ = 53872027226880.

The previous prime is 202020102101099. The next prime is 202020102101131. The reversal of 202020102101100 is 1101201020202.

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, 336700169869 + ... + 336700170468.

Almost surely, 2^{202020102101100} is an apocalyptic number.

202020102101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020102101100 is an abundant number, since it is smaller than the sum of its proper divisors (382491393312284).

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

202020102101100 is a wasteful number, since it uses less digits than its factorization.

202020102101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673400340354 (or 673400340347 counting only the distinct ones).

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

Adding to 202020102101100 its reverse (1101201020202), we get a palindrome (203121303121302).

It can be divided in two parts, 202020102 and 101100, that added together give a palindrome (202121202).

The spelling of 202020102101100 in words is "two hundred two trillion, twenty billion, one hundred two million, one hundred one thousand, one hundred".