202011100021000 has 64 divisors (see below), whose sum is σ = 497585235888000. Its totient is φ = 76551574737600.

The previous prime is 202011100020937. The next prime is 202011100021007. The reversal of 202011100021000 is 120001110202.

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

It is not an unprimeable number, because it can be changed into a prime (202011100021007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5316062580 + ... + 5316100579.

It is an arithmetic number, because the mean of its divisors is an integer number (7774769310750).

Almost surely, 2^{202011100021000} is an apocalyptic number.

202011100021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011100021000 is an abundant number, since it is smaller than the sum of its proper divisors (295574135867000).

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

202011100021000 is a wasteful number, since it uses less digits than its factorization.

202011100021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632163199 (or 10632163185 counting only the distinct ones).

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

Adding to 202011100021000 its reverse (120001110202), we get a palindrome (202131101131202).

The spelling of 202011100021000 in words is "two hundred two trillion, eleven billion, one hundred million, twenty-one thousand".