201001002212100 has 36 divisors (see below), whose sum is σ = 581562899734544. Its totient is φ = 53600267256480.

The previous prime is 201001002212099. The next prime is 201001002212107. The reversal of 201001002212100 is 1212200100102.

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

It is not an unprimeable number, because it can be changed into a prime (201001002212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335001670054 + ... + 335001670653.

Almost surely, 2^{201001002212100} is an apocalyptic number.

201001002212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001002212100 is an abundant number, since it is smaller than the sum of its proper divisors (380561897522444).

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

201001002212100 is a wasteful number, since it uses less digits than its factorization.

201001002212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670003340724 (or 670003340717 counting only the distinct ones).

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

Adding to 201001002212100 its reverse (1212200100102), we get a palindrome (202213202312202).

The spelling of 201001002212100 in words is "two hundred one trillion, one billion, two million, two hundred twelve thousand, one hundred".