220001210112222 has 192 divisors, whose sum is σ = 628372602224640. Its totient is φ = 53892873979200.

The previous prime is 220001210112163. The next prime is 220001210112239. The reversal of 220001210112222 is 222211012100022.

It is a happy number.

220001210112222 is a `hidden beast` number, since 220 + 0 + 0 + 1 + 210 + 1 + 12 + 222 = 666.

220001210112222 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 220001210112195 and 220001210112204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12859054 + ... + 24604017.

It is an arithmetic number, because the mean of its divisors is an integer number (3272773969920).

Almost surely, 2^{220001210112222} is an apocalyptic number.

220001210112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220001210112222 is an abundant number, since it is smaller than the sum of its proper divisors (408371392112418).

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

220001210112222 is a wasteful number, since it uses less digits than its factorization.

220001210112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37463339 (or 37463336 counting only the distinct ones).

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

Adding to 220001210112222 its reverse (222211012100022), we get a palindrome (442212222212244).

The spelling of 220001210112222 in words is "two hundred twenty trillion, one billion, two hundred ten million, one hundred twelve thousand, two hundred twenty-two".