2101222111112 has 32 divisors (see below), whose sum is σ = 3941858380800. Its totient is φ = 1050060046464.

The previous prime is 2101222111097. The next prime is 2101222111127. The reversal of 2101222111112 is 2111112221012.

It is an interprime number because it is at equal distance from previous prime (2101222111097) and next prime (2101222111127).

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, 196609433 + ... + 196620119.

It is an arithmetic number, because the mean of its divisors is an integer number (123183074400).

Almost surely, 2^{2101222111112} is an apocalyptic number.

It is an amenable number.

2101222111112 is a deficient number, since it is larger than the sum of its proper divisors (1840636269688).

2101222111112 is a wasteful number, since it uses less digits than its factorization.

2101222111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21285 (or 21281 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2101222111112 its reverse (2111112221012), we get a palindrome (4212334332124).

The spelling of 2101222111112 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twelve".