201001020221180 has 12 divisors (see below), whose sum is σ = 422102142464520. Its totient is φ = 80400408088464.

The previous prime is 201001020221179. The next prime is 201001020221231. The reversal of 201001020221180 is 81122020100102.

It is a super-2 number, since 2×201001020221180² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10050051011059 = 201001020221180 / (2 + 0 + 1 + 0 + 0 + 1 + 0 + 2 + 0 + 2 + 2 + 1 + 1 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025025505510 + ... + 5025025505549.

It is an arithmetic number, because the mean of its divisors is an integer number (35175178538710).

Almost surely, 2^{201001020221180} is an apocalyptic number.

201001020221180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001020221180 is an abundant number, since it is smaller than the sum of its proper divisors (221101122243340).

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

201001020221180 is a wasteful number, since it uses less digits than its factorization.

201001020221180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050051011068 (or 10050051011066 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201001020221180 its reverse (81122020100102), we get a palindrome (282123040321282).

The spelling of 201001020221180 in words is "two hundred one trillion, one billion, twenty million, two hundred twenty-one thousand, one hundred eighty".