220122212111200 has 144 divisors (see below), whose sum is σ = 646464181144320. Its totient is φ = 71498342545920.

The previous prime is 220122212111161. The next prime is 220122212111273. The reversal of 220122212111200 is 2111212221022.

It is a super-2 number, since 2×220122212111200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034302492 + ... + 1034515291.

It is an arithmetic number, because the mean of its divisors is an integer number (4489334591280).

Almost surely, 2^{220122212111200} is an apocalyptic number.

220122212111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220122212111200 is an abundant number, since it is smaller than the sum of its proper divisors (426341969033120).

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

220122212111200 is a wasteful number, since it uses less digits than its factorization.

220122212111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068817829 (or 2068817816 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220122212111200 its reverse (2111212221022), we get a palindrome (222233424332222).

The spelling of 220122212111200 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, two hundred".