22102220221112 has 8 divisors (see below), whose sum is σ = 41441662914600. Its totient is φ = 11051110110552.

The previous prime is 22102220221051. The next prime is 22102220221117. The reversal of 22102220221112 is 21112202220122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102220221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1381388763812 + ... + 1381388763827.

It is an arithmetic number, because the mean of its divisors is an integer number (5180207864325).

Almost surely, 2^{22102220221112} is an apocalyptic number.

It is an amenable number.

22102220221112 is a deficient number, since it is larger than the sum of its proper divisors (19339442693488).

22102220221112 is a wasteful number, since it uses less digits than its factorization.

22102220221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762777527645 (or 2762777527641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22102220221112 its reverse (21112202220122), we get a palindrome (43214422441234).

The spelling of 22102220221112 in words is "twenty-two trillion, one hundred two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".