2001100212202 has 96 divisors (see below), whose sum is σ = 3779926242048. Its totient is φ = 777813124608.

The previous prime is 2001100212193. The next prime is 2001100212211. The reversal of 2001100212202 is 2022120011002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001100212193) and next prime (2001100212211).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45402808 + ... + 45446860.

It is an arithmetic number, because the mean of its divisors is an integer number (39374231688).

Almost surely, 2^{2001100212202} is an apocalyptic number.

2001100212202 is a deficient number, since it is larger than the sum of its proper divisors (1778826029846).

2001100212202 is a wasteful number, since it uses less digits than its factorization.

2001100212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44424 (or 44411 counting only the distinct ones).

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

Adding to 2001100212202 its reverse (2022120011002), we get a palindrome (4023220223204).

The spelling of 2001100212202 in words is "two trillion, one billion, one hundred million, two hundred twelve thousand, two hundred two".