200102122023321 has 16 divisors (see below), whose sum is σ = 311405126068224. Its totient is φ = 111911217179664.

The previous prime is 200102122023319. The next prime is 200102122023343. The reversal of 200102122023321 is 123320221201002.

It is not a de Polignac number, because 200102122023321 - 2¹ = 200102122023319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200102122023311) 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, 101368855155 + ... + 101368857128.

It is an arithmetic number, because the mean of its divisors is an integer number (19462820379264).

Almost surely, 2^{200102122023321} is an apocalyptic number.

200102122023321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200102122023321 is a deficient number, since it is larger than the sum of its proper divisors (111303004044903).

200102122023321 is a wasteful number, since it uses less digits than its factorization.

200102122023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202737712340.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 200102122023321 its reverse (123320221201002), we get a palindrome (323422343224323).

The spelling of 200102122023321 in words is "two hundred trillion, one hundred two billion, one hundred twenty-two million, twenty-three thousand, three hundred twenty-one".