2112111001002 has 32 divisors (see below), whose sum is σ = 4275664081920. Its totient is φ = 695465494640.

The previous prime is 2112111000991. The next prime is 2112111001031. The reversal of 2112111001002 is 2001001112112.

It is a super-2 number, since 2×2112111001002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3675877 + ... + 4211447.

It is an arithmetic number, because the mean of its divisors is an integer number (133614502560).

Almost surely, 2^{2112111001002} is an apocalyptic number.

2112111001002 is an abundant number, since it is smaller than the sum of its proper divisors (2163553080918).

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

2112111001002 is a wasteful number, since it uses less digits than its factorization.

2112111001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543578.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2112111001002 its reverse (2001001112112), we get a palindrome (4113112113114).

The spelling of 2112111001002 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one thousand, two".