202101002101200 has 120 divisors (see below), whose sum is σ = 647476942057600. Its totient is φ = 53886935393280.

The previous prime is 202101002101169. The next prime is 202101002101231. The reversal of 202101002101200 is 2101200101202.

It is an interprime number because it is at equal distance from previous prime (202101002101169) and next prime (202101002101231).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703480 + ... + 20117079.

Almost surely, 2^{202101002101200} is an apocalyptic number.

202101002101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101002101200 is an abundant number, since it is smaller than the sum of its proper divisors (445375939956400).

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

202101002101200 is a wasteful number, since it uses less digits than its factorization.

202101002101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20828669 (or 20828658 counting only the distinct ones).

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

Adding to 202101002101200 its reverse (2101200101202), we get a palindrome (204202202202402).

It can be divided in two parts, 202101002 and 101200, that added together give a palindrome (202202202).

The spelling of 202101002101200 in words is "two hundred two trillion, one hundred one billion, two million, one hundred one thousand, two hundred".