202001001210100 has 36 divisors (see below), whose sum is σ = 443267365596300. Its totient is φ = 79892530812160.

The previous prime is 202001001210097. The next prime is 202001001210131. The reversal of 202001001210100 is 1012100100202.

It can be written as a sum of positive squares in 6 ways, for example, as 3784900212324 + 198216100997776 = 1945482^2 + 14078924^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 11348361955 + ... + 11348379754.

It is an arithmetic number, because the mean of its divisors is an integer number (12312982377675).

Almost surely, 2^{202001001210100} is an apocalyptic number.

202001001210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001001210100 is an abundant number, since it is smaller than the sum of its proper divisors (241266364386200).

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

202001001210100 is a wasteful number, since it uses less digits than its factorization.

202001001210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22696741812 (or 22696741805 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202001001210100 its reverse (1012100100202), we get a palindrome (203013101310302).

The spelling of 202001001210100 in words is "two hundred two trillion, one billion, one million, two hundred ten thousand, one hundred".