2001211102200 has 96 divisors (see below), whose sum is σ = 6213433854960. Its totient is φ = 532823654400.

The previous prime is 2001211102183. The next prime is 2001211102213. The reversal of 2001211102200 is 22011121002.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2217079 + ... + 2986278.

Almost surely, 2^{2001211102200} is an apocalyptic number.

2001211102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001211102200 is an abundant number, since it is smaller than the sum of its proper divisors (4212222752760).

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

2001211102200 is a wasteful number, since it uses less digits than its factorization.

2001211102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204017 (or 5204008 counting only the distinct ones).

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

Adding to 2001211102200 its reverse (22011121002), we get a palindrome (2023222223202).

The spelling of 2001211102200 in words is "two trillion, one billion, two hundred eleven million, one hundred two thousand, two hundred".