222101111111022 has 160 divisors (see below), whose sum is σ = 615448874113920. Its totient is φ = 58856385602880.

The previous prime is 222101111110987. The next prime is 222101111111147. The reversal of 222101111111022 is 220111111101222.

It is a happy number.

It is a super-4 number, since 4×222101111111022⁴ (a number of 58 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 222101111110986 and 222101111111004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 251859168 + ... + 252739475.

It is an arithmetic number, because the mean of its divisors is an integer number (3846555463212).

Almost surely, 2^{222101111111022} is an apocalyptic number.

222101111111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222101111111022 is an abundant number, since it is smaller than the sum of its proper divisors (393347763002898).

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

222101111111022 is a wasteful number, since it uses less digits than its factorization.

222101111111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504598700 (or 504598691 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222101111111022 its reverse (220111111101222), we get a palindrome (442212222212244).

The spelling of 222101111111022 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred eleven million, one hundred eleven thousand, twenty-two".