2112211020112 has 40 divisors (see below), whose sum is σ = 4270745672640. Its totient is φ = 1010091836160.

The previous prime is 2112211020109. The next prime is 2112211020133. The reversal of 2112211020112 is 2110201122112.

It is a super-2 number, since 2×2112211020112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 3680787 + ... + 4215757.

It is an arithmetic number, because the mean of its divisors is an integer number (106768641816).

Almost surely, 2^{2112211020112} is an apocalyptic number.

It is an amenable number.

2112211020112 is an abundant number, since it is smaller than the sum of its proper divisors (2158534652528).

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

2112211020112 is a wasteful number, since it uses less digits than its factorization.

2112211020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545731 (or 545725 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112211020112 its reverse (2110201122112), we get a palindrome (4222412142224).

It can be divided in two parts, 2112 and 211020112, that multiplied together give a palindrome (445674476544).

The spelling of 2112211020112 in words is "two trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, one hundred twelve".