220112100202122 has 64 divisors (see below), whose sum is σ = 500843067678720. Its totient is φ = 71635005817200.

The previous prime is 220112100202097. The next prime is 220112100202147. The reversal of 220112100202122 is 221202001211022.

It is a happy number.

220112100202122 is a `hidden beast` number, since 220 + 1 + 1 + 210 + 0 + 20 + 212 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (220112100202097) and next prime (220112100202147).

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 = 220112100202095 and 220112100202104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278297154 + ... + 279086957.

It is an arithmetic number, because the mean of its divisors is an integer number (7825672932480).

Almost surely, 2^{220112100202122} is an apocalyptic number.

220112100202122 is an abundant number, since it is smaller than the sum of its proper divisors (280730967476598).

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

220112100202122 is a wasteful number, since it uses less digits than its factorization.

220112100202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557384296 (or 557384290 counting only the distinct ones).

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

Adding to 220112100202122 its reverse (221202001211022), we get a palindrome (441314101413144).

The spelling of 220112100202122 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred million, two hundred two thousand, one hundred twenty-two".