200121111201220 has 96 divisors (see below), whose sum is σ = 485764815191040. Its totient is φ = 68443049840640.

The previous prime is 200121111201163. The next prime is 200121111201233. The reversal of 200121111201220 is 22102111121002.

It is a super-2 number, since 2×200121111201220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200121111201194 and 200121111201203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13210329 + ... + 23974048.

It is an arithmetic number, because the mean of its divisors is an integer number (5060050158240).

Almost surely, 2^{200121111201220} is an apocalyptic number.

200121111201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121111201220 is an abundant number, since it is smaller than the sum of its proper divisors (285643703989820).

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

200121111201220 is a wasteful number, since it uses less digits than its factorization.

200121111201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37185853 (or 37185851 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200121111201220 its reverse (22102111121002), we get a palindrome (222223222322222).

The spelling of 200121111201220 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven million, two hundred one thousand, two hundred twenty".