201000213100 has 72 divisors (see below), whose sum is σ = 455234925600. Its totient is φ = 76887444480.

The previous prime is 201000213097. The next prime is 201000213119. The reversal of 201000213100 is 1312000102.

It is a super-2 number, since 2×201000213100² (a number of 23 digits) contains 22 as substring.

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

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, 16675876 + ... + 16687924.

It is an arithmetic number, because the mean of its divisors is an integer number (6322707300).

Almost surely, 2^201000213100 is an apocalyptic number.

201000213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000213100 is an abundant number, since it is smaller than the sum of its proper divisors (254234712500).

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

201000213100 is a wasteful number, since it uses less digits than its factorization.

201000213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19339 (or 19332 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 201000213100 its reverse (1312000102), we get a palindrome (202312213202).

The spelling of 201000213100 in words is "two hundred one billion, two hundred thirteen thousand, one hundred".