200101122010221 has 16 divisors (see below), whose sum is σ = 273340197392640. Its totient is φ = 130132143694080.

The previous prime is 200101122010213. The next prime is 200101122010259. The reversal of 200101122010221 is 122010221101002.

It is not a de Polignac number, because 200101122010221 - 2³ = 200101122010213 is a prime.

It is a super-2 number, since 2×200101122010221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200101122010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101122010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92220280 + ... + 94365153.

It is an arithmetic number, because the mean of its divisors is an integer number (17083762337040).

Almost surely, 2^{200101122010221} is an apocalyptic number.

It is an amenable number.

200101122010221 is a deficient number, since it is larger than the sum of its proper divisors (73239075382419).

200101122010221 is a wasteful number, since it uses less digits than its factorization.

200101122010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186594196.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200101122010221 its reverse (122010221101002), we get a palindrome (322111343111223).

The spelling of 200101122010221 in words is "two hundred trillion, one hundred one billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".