200221101021100 has 36 divisors (see below), whose sum is σ = 435125375973064. Its totient is φ = 79969438241280.

The previous prime is 200221101021059. The next prime is 200221101021133. The reversal of 200221101021100 is 1120101122002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1487459454 + ... + 1487594053.

Almost surely, 2^{200221101021100} is an apocalyptic number.

200221101021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221101021100 is an abundant number, since it is smaller than the sum of its proper divisors (234904274951964).

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

200221101021100 is a wasteful number, since it uses less digits than its factorization.

200221101021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975054194 (or 2975054187 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200221101021100 its reverse (1120101122002), we get a palindrome (201341202143102).

The spelling of 200221101021100 in words is "two hundred trillion, two hundred twenty-one billion, one hundred one million, twenty-one thousand, one hundred".