220122200122 has 16 divisors (see below), whose sum is σ = 360258181344. Its totient is φ = 100039374000.

The previous prime is 220122200113. The next prime is 220122200141. The reversal of 220122200122 is 221002221022.

It is a junction number, because it is equal to n+sod(n) for n = 220122200096 and 220122200105.

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, 668829 + ... + 942112.

It is an arithmetic number, because the mean of its divisors is an integer number (22516136334).

Almost surely, 2^220122200122 is an apocalyptic number.

220122200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220122200122 is a deficient number, since it is larger than the sum of its proper divisors (140135981222).

220122200122 is a wasteful number, since it uses less digits than its factorization.

220122200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617165.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220122200122 its reverse (221002221022), we get a palindrome (441124421144).

The spelling of 220122200122 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-two".