2102101021112 has 64 divisors (see below), whose sum is σ = 4172797879200. Its totient is φ = 990008248320.

The previous prime is 2102101021109. The next prime is 2102101021147. The reversal of 2102101021112 is 2111201012012.

It is a super-2 number, since 2×2102101021112² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 19465538 + ... + 19573230.

Almost surely, 2^{2102101021112} is an apocalyptic number.

It is an amenable number.

2102101021112 is a deficient number, since it is larger than the sum of its proper divisors (2070696858088).

2102101021112 is a wasteful number, since it uses less digits than its factorization.

2102101021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108456 (or 108452 counting only the distinct ones).

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

Adding to 2102101021112 its reverse (2111201012012), we get a palindrome (4213302033124).

The spelling of 2102101021112 in words is "two trillion, one hundred two billion, one hundred one million, twenty-one thousand, one hundred twelve".