101523253031221 has 8 divisors (see below), whose sum is σ = 118724867332544. Its totient is φ = 84996211839840.

The previous prime is 101523253031149. The next prime is 101523253031261. The reversal of 101523253031221 is 122130352325101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101523253031221 - 2⁷ = 101523253031093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101523253031261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168643277160 + ... + 168643277761.

It is an arithmetic number, because the mean of its divisors is an integer number (14840608416568).

Almost surely, 2^{101523253031221} is an apocalyptic number.

It is an amenable number.

101523253031221 is a deficient number, since it is larger than the sum of its proper divisors (17201614301323).

101523253031221 is an equidigital number, since it uses as much as digits as its factorization.

101523253031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337286554971.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 101523253031221 in words is "one hundred one trillion, five hundred twenty-three billion, two hundred fifty-three million, thirty-one thousand, two hundred twenty-one".