2021112111002 has 32 divisors (see below), whose sum is σ = 3277726400592. Its totient is φ = 931235180544.

The previous prime is 2021112110971. The next prime is 2021112111023. The reversal of 2021112111002 is 2001112111202.

It can be written as a sum of positive squares in 8 ways, for example, as 1964367630481 + 56744480521 = 1401559^2 + 238211^2 .

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, 2631893 + ... + 3311960.

Almost surely, 2^{2021112111002} is an apocalyptic number.

2021112111002 is a deficient number, since it is larger than the sum of its proper divisors (1256614289590).

2021112111002 is a wasteful number, since it uses less digits than its factorization.

2021112111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944082.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021112111002 its reverse (2001112111202), we get a palindrome (4022224222204).

The spelling of 2021112111002 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred eleven thousand, two".