22221021101112 has 96 divisors (see below), whose sum is σ = 62191230781680. Its totient is φ = 7163119756800.

The previous prime is 22221021101107. The next prime is 22221021101137. The reversal of 22221021101112 is 21110112012222.

22221021101112 is a `hidden beast` number, since 222 + 210 + 21 + 101 + 112 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35218653 + ... + 35844044.

Almost surely, 2^{22221021101112} is an apocalyptic number.

It is an amenable number.

22221021101112 is an abundant number, since it is smaller than the sum of its proper divisors (39970209680568).

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

22221021101112 is a wasteful number, since it uses less digits than its factorization.

22221021101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71062853 (or 71062846 counting only the distinct ones).

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

Adding to 22221021101112 its reverse (21110112012222), we get a palindrome (43331133113334).

The spelling of 22221021101112 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-one million, one hundred one thousand, one hundred twelve".