901050221231 has 2 divisors, whose sum is σ = 901050221232. Its totient is φ = 901050221230.

The previous prime is 901050221189. The next prime is 901050221299. The reversal of 901050221231 is 132122050109.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 901050221231 - 2³⁰ = 899976479407 is a prime.

It is a super-2 number, since 2×901050221231² (a number of 25 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 901050221231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901050221431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450525110615 + 450525110616.

It is an arithmetic number, because the mean of its divisors is an integer number (450525110616).

Almost surely, 2^901050221231 is an apocalyptic number.

901050221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

901050221231 is an equidigital number, since it uses as much as digits as its factorization.

901050221231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 901050221231 in words is "nine hundred one billion, fifty million, two hundred twenty-one thousand, two hundred thirty-one".