1222202112111 has 32 divisors (see below), whose sum is σ = 1840870296000. Its totient is φ = 801319478400.

The previous prime is 1222202112071. The next prime is 1222202112127. The reversal of 1222202112111 is 1112112022221.

1222202112111 is a `hidden beast` number, since 1 + 22 + 220 + 211 + 211 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1222202112111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222202112161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097656 + ... + 1910301.

It is an arithmetic number, because the mean of its divisors is an integer number (57527196750).

Almost surely, 2^{1222202112111} is an apocalyptic number.

1222202112111 is a deficient number, since it is larger than the sum of its proper divisors (618668183889).

1222202112111 is a wasteful number, since it uses less digits than its factorization.

1222202112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008216 (or 3008210 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1222202112111 its reverse (1112112022221), we get a palindrome (2334314134332).

The spelling of 1222202112111 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twelve thousand, one hundred eleven".