222112002021102 has 20 divisors (see below), whose sum is σ = 497695411936536. Its totient is φ = 74037334006980.

The previous prime is 222112002021067. The next prime is 222112002021103. The reversal of 222112002021102 is 201120200211222.

It is a happy number.

222112002021102 is a `hidden beast` number, since 22 + 211 + 200 + 20 + 211 + 0 + 2 = 666.

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 (222112002021103) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 685530870274 + ... + 685530870597.

Almost surely, 2^{222112002021102} is an apocalyptic number.

222112002021102 is an abundant number, since it is smaller than the sum of its proper divisors (275583409915434).

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

222112002021102 is a wasteful number, since it uses less digits than its factorization.

222112002021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371061740885 (or 1371061740876 counting only the distinct ones).

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

Adding to 222112002021102 its reverse (201120200211222), we get a palindrome (423232202232324).

The spelling of 222112002021102 in words is "two hundred twenty-two trillion, one hundred twelve billion, two million, twenty-one thousand, one hundred two".