2112210111012 has 24 divisors (see below), whose sum is σ = 4931099359200. Its totient is φ = 703697308416.

The previous prime is 2112210110963. The next prime is 2112210111019. The reversal of 2112210111012 is 2101110122112.

It is a happy number.

It is a super-2 number, since 2×2112210111012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112210110982 and 2112210111000.

It is not an unprimeable number, because it can be changed into a prime (2112210111019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46567462 + ... + 46612797.

It is an arithmetic number, because the mean of its divisors is an integer number (205462473300).

Almost surely, 2^{2112210111012} is an apocalyptic number.

It is an amenable number.

2112210111012 is an abundant number, since it is smaller than the sum of its proper divisors (2818889248188).

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

2112210111012 is a wasteful number, since it uses less digits than its factorization.

2112210111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93182155 (or 93182153 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112210111012 its reverse (2101110122112), we get a palindrome (4213320233124).

It can be divided in two parts, 2112210 and 111012, that added together give a palindrome (2223222).

The spelling of 2112210111012 in words is "two trillion, one hundred twelve billion, two hundred ten million, one hundred eleven thousand, twelve".