201001020221231 has 2 divisors, whose sum is σ = 201001020221232. Its totient is φ = 201001020221230.

The previous prime is 201001020221179. The next prime is 201001020221279. The reversal of 201001020221231 is 132122020100102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201001020221231 - 2⁶ = 201001020221167 is a prime.

It is a super-2 number, since 2×201001020221231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001020221831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500510110615 + 100500510110616.

It is an arithmetic number, because the mean of its divisors is an integer number (100500510110616).

Almost surely, 2^{201001020221231} is an apocalyptic number.

201001020221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001020221231 is an equidigital number, since it uses as much as digits as its factorization.

201001020221231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201001020221231 its reverse (132122020100102), we get a palindrome (333123040321333).

The spelling of 201001020221231 in words is "two hundred one trillion, one billion, twenty million, two hundred twenty-one thousand, two hundred thirty-one".