200421122130201 has 24 divisors (see below), whose sum is σ = 320884903905024. Its totient is φ = 110831956935840.

The previous prime is 200421122130199. The next prime is 200421122130247. The reversal of 200421122130201 is 102031221124002.

It is a happy number.

It is not a de Polignac number, because 200421122130201 - 2¹ = 200421122130199 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (200421122130701) 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, 21990463090 + ... + 21990472203.

It is an arithmetic number, because the mean of its divisors is an integer number (13370204329376).

Almost surely, 2^{200421122130201} is an apocalyptic number.

200421122130201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200421122130201 is a deficient number, since it is larger than the sum of its proper divisors (120463781774823).

200421122130201 is a wasteful number, since it uses less digits than its factorization.

200421122130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43980935341 (or 43980935334 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 200421122130201 its reverse (102031221124002), we get a palindrome (302452343254203).

The spelling of 200421122130201 in words is "two hundred trillion, four hundred twenty-one billion, one hundred twenty-two million, one hundred thirty thousand, two hundred one".