200211121220 has 48 divisors (see below), whose sum is σ = 459489215808. Its totient is φ = 72673292160.

The previous prime is 200211121219. The next prime is 200211121283. The reversal of 200211121220 is 22121112002.

It is a junction number, because it is equal to n+sod(n) for n = 200211121195 and 200211121204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694382 + ... + 939461.

It is an arithmetic number, because the mean of its divisors is an integer number (9572691996).

Almost surely, 2^200211121220 is an apocalyptic number.

200211121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200211121220 is an abundant number, since it is smaller than the sum of its proper divisors (259278094588).

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

200211121220 is a wasteful number, since it uses less digits than its factorization.

200211121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634420 (or 1634418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200211121220 its reverse (22121112002), we get a palindrome (222332233222).

The spelling of 200211121220 in words is "two hundred billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twenty".