122021200220 has 24 divisors (see below), whose sum is σ = 271317728304. Its totient is φ = 45937392896.

The previous prime is 122021200193. The next prime is 122021200247. The reversal of 122021200220 is 22002120221.

It is an interprime number because it is at equal distance from previous prime (122021200193) and next prime (122021200247).

It is a junction number, because it is equal to n+sod(n) for n = 122021200195 and 122021200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179442602 + ... + 179443281.

It is an arithmetic number, because the mean of its divisors is an integer number (11304905346).

Almost surely, 2^122021200220 is an apocalyptic number.

122021200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021200220 is an abundant number, since it is smaller than the sum of its proper divisors (149296528084).

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

122021200220 is a wasteful number, since it uses less digits than its factorization.

122021200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358885909 (or 358885907 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122021200220 its reverse (22002120221), we get a palindrome (144023320441).

The spelling of 122021200220 in words is "one hundred twenty-two billion, twenty-one million, two hundred thousand, two hundred twenty".