222010121122220 has 24 divisors (see below), whose sum is σ = 466527374745264. Its totient is φ = 88745739803456.

The previous prime is 222010121122213. The next prime is 222010121122241. The reversal of 222010121122220 is 22221121010222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222010121122192 and 222010121122201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644259119 + ... + 3644320038.

It is an arithmetic number, because the mean of its divisors is an integer number (19438640614386).

Almost surely, 2^{222010121122220} is an apocalyptic number.

222010121122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222010121122220 is an abundant number, since it is smaller than the sum of its proper divisors (244517253623044).

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

222010121122220 is a wasteful number, since it uses less digits than its factorization.

222010121122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288580689 (or 7288580687 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222010121122220 its reverse (22221121010222), we get a palindrome (244231242132442).

The spelling of 222010121122220 in words is "two hundred twenty-two trillion, ten billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty".