22202120011112 has 8 divisors (see below), whose sum is σ = 41628975020850. Its totient is φ = 11101060005552.

The previous prime is 22202120011073. The next prime is 22202120011117. The reversal of 22202120011112 is 21111002120222.

It can be written as a sum of positive squares in only one way, i.e., 12809770697476 + 9392349313636 = 3579074^2 + 3064694^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22202120011117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387632500687 + ... + 1387632500702.

Almost surely, 2^{22202120011112} is an apocalyptic number.

It is an amenable number.

22202120011112 is a deficient number, since it is larger than the sum of its proper divisors (19426855009738).

22202120011112 is a wasteful number, since it uses less digits than its factorization.

22202120011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775265001395 (or 2775265001391 counting only the distinct ones).

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

Adding to 22202120011112 its reverse (21111002120222), we get a palindrome (43313122131334).

The spelling of 22202120011112 in words is "twenty-two trillion, two hundred two billion, one hundred twenty million, eleven thousand, one hundred twelve".