2001211012102 has 16 divisors (see below), whose sum is σ = 3003428186640. Its totient is φ = 1000068382368.

The previous prime is 2001211012063. The next prime is 2001211012111. The reversal of 2001211012102 is 2012101121002.

It is a super-2 number, since 2×2001211012102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57047424 + ... + 57082492.

It is an arithmetic number, because the mean of its divisors is an integer number (187714261665).

Almost surely, 2^{2001211012102} is an apocalyptic number.

2001211012102 is a deficient number, since it is larger than the sum of its proper divisors (1002217174538).

2001211012102 is a wasteful number, since it uses less digits than its factorization.

2001211012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49575.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001211012102 its reverse (2012101121002), we get a palindrome (4013312133104).

The spelling of 2001211012102 in words is "two trillion, one billion, two hundred eleven million, twelve thousand, one hundred two".