202020210001100 has 36 divisors (see below), whose sum is σ = 439343120256264. Its totient is φ = 80631261041280.

The previous prime is 202020210001067. The next prime is 202020210001139. The reversal of 202020210001100 is 1100012020202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2210241062 + ... + 2210332461.

It is an arithmetic number, because the mean of its divisors is an integer number (12203975562674).

Almost surely, 2^{202020210001100} is an apocalyptic number.

202020210001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020210001100 is an abundant number, since it is smaller than the sum of its proper divisors (237322910255164).

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

202020210001100 is a wasteful number, since it uses less digits than its factorization.

202020210001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420573994 (or 4420573987 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202020210001100 its reverse (1100012020202), we get a palindrome (203120222021302).

The spelling of 202020210001100 in words is "two hundred two trillion, twenty billion, two hundred ten million, one thousand, one hundred".