201000002122000 has 160 divisors (see below), whose sum is σ = 505473561800064. Its totient is φ = 77242850496000.

The previous prime is 201000002121923. The next prime is 201000002122009. The reversal of 201000002122000 is 221200000102.

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 (201000002122009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13911454 + ... + 24403453.

Almost surely, 2^{201000002122000} is an apocalyptic number.

201000002122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000002122000 is an abundant number, since it is smaller than the sum of its proper divisors (304473559678064).

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

201000002122000 is a wasteful number, since it uses less digits than its factorization.

201000002122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38315034 (or 38315018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201000002122000 its reverse (221200000102), we get a palindrome (201221202122102).

The spelling of 201000002122000 in words is "two hundred one trillion, two million, one hundred twenty-two thousand".