22220202101112 has 24 divisors (see below), whose sum is σ = 60179714024040. Its totient is φ = 7406734033680.

The previous prime is 22220202101089. The next prime is 22220202101117. The reversal of 22220202101112 is 21110120202222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220202101117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154306958964 + ... + 154306959107.

It is an arithmetic number, because the mean of its divisors is an integer number (2507488084335).

Almost surely, 2^{22220202101112} is an apocalyptic number.

It is an amenable number.

22220202101112 is an abundant number, since it is smaller than the sum of its proper divisors (37959511922928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220202101112 is a wasteful number, since it uses less digits than its factorization.

22220202101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308613918083 (or 308613918076 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22220202101112 its reverse (21110120202222), we get a palindrome (43330322303334).

The spelling of 22220202101112 in words is "twenty-two trillion, two hundred twenty billion, two hundred two million, one hundred one thousand, one hundred twelve".