201000102222100 has 36 divisors (see below), whose sum is σ = 436526861680224. Its totient is φ = 80334300822880.

The previous prime is 201000102222079. The next prime is 201000102222119. The reversal of 201000102222100 is 1222201000102.

It is a happy number.

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, 821627914 + ... + 821872513.

It is an arithmetic number, because the mean of its divisors is an integer number (12125746157784).

Almost surely, 2^{201000102222100} is an apocalyptic number.

201000102222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000102222100 is an abundant number, since it is smaller than the sum of its proper divisors (235526759458124).

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

201000102222100 is a wasteful number, since it uses less digits than its factorization.

201000102222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643501664 (or 1643501657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201000102222100 its reverse (1222201000102), we get a palindrome (202222303222202).

The spelling of 201000102222100 in words is "two hundred one trillion, one hundred two million, two hundred twenty-two thousand, one hundred".