202120011222200 has 48 divisors (see below), whose sum is σ = 478795611514680. Its totient is φ = 79322570437760.

The previous prime is 202120011222187. The next prime is 202120011222209. The reversal of 202120011222200 is 2222110021202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120011222209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9533952194 + ... + 9533973393.

Almost surely, 2^{202120011222200} is an apocalyptic number.

202120011222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120011222200 is an abundant number, since it is smaller than the sum of its proper divisors (276675600292480).

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

202120011222200 is a wasteful number, since it uses less digits than its factorization.

202120011222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067925656 (or 19067925647 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202120011222200 its reverse (2222110021202), we get a palindrome (204342121243402).

The spelling of 202120011222200 in words is "two hundred two trillion, one hundred twenty billion, eleven million, two hundred twenty-two thousand, two hundred".