202102012011100 has 36 divisors (see below), whose sum is σ = 438676990764544. Its totient is φ = 80819491495680.

The previous prime is 202102012011091. The next prime is 202102012011103. The reversal of 202102012011100 is 1110210201202.

202102012011100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102012011103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266035164 + ... + 266793763.

Almost surely, 2^{202102012011100} is an apocalyptic number.

202102012011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102012011100 is an abundant number, since it is smaller than the sum of its proper divisors (236574978753444).

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

202102012011100 is a wasteful number, since it uses less digits than its factorization.

202102012011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532832734 (or 532832727 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202102012011100 its reverse (1110210201202), we get a palindrome (203212222212302).

The spelling of 202102012011100 in words is "two hundred two trillion, one hundred two billion, twelve million, eleven thousand, one hundred".