202011220112200 has 96 divisors (see below), whose sum is σ = 485902402209000. Its totient is φ = 78013214720000.

The previous prime is 202011220112183. The next prime is 202011220112203. The reversal of 202011220112200 is 2211022110202.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 29119384552644 + 172891835559556 = 5396238^2 + 13148834^2 .

It is not an unprimeable number, because it can be changed into a prime (202011220112203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91717446 + ... + 93894154.

Almost surely, 2^{202011220112200} is an apocalyptic number.

202011220112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011220112200 is an abundant number, since it is smaller than the sum of its proper divisors (283891182096800).

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

202011220112200 is a wasteful number, since it uses less digits than its factorization.

202011220112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192755 (or 2192746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202011220112200 its reverse (2211022110202), we get a palindrome (204222242222402).

The spelling of 202011220112200 in words is "two hundred two trillion, eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred".