2112202012112 has 10 divisors (see below), whose sum is σ = 4092391398498. Its totient is φ = 1056101006048.

The previous prime is 2112202012103. The next prime is 2112202012117. The reversal of 2112202012112 is 2112102022112.

It can be written as a sum of positive squares in only one way, i.e., 2058203406736 + 53998605376 = 1434644^2 + 232376^2 .

It is a super-2 number, since 2×2112202012112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112202012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66006312863 + ... + 66006312894.

Almost surely, 2^{2112202012112} is an apocalyptic number.

It is an amenable number.

2112202012112 is a deficient number, since it is larger than the sum of its proper divisors (1980189386386).

2112202012112 is a wasteful number, since it uses less digits than its factorization.

2112202012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132012625765 (or 132012625759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112202012112 its reverse (2112102022112), we get a palindrome (4224304034224).

The spelling of 2112202012112 in words is "two trillion, one hundred twelve billion, two hundred two million, twelve thousand, one hundred twelve".