201000001210100 has 36 divisors (see below), whose sum is σ = 436874639275200. Its totient is φ = 80270113544160.

The previous prime is 201000001210051. The next prime is 201000001210243. The reversal of 201000001210100 is 1012100000102.

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, 1623524540 + ... + 1623648339.

Almost surely, 2^{201000001210100} is an apocalyptic number.

201000001210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000001210100 is an abundant number, since it is smaller than the sum of its proper divisors (235874638065100).

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

201000001210100 is a wasteful number, since it uses less digits than its factorization.

201000001210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247173512 (or 3247173505 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201000001210100 its reverse (1012100000102), we get a palindrome (202012101210202).

The spelling of 201000001210100 in words is "two hundred one trillion, one million, two hundred ten thousand, one hundred".