152103352221 has 48 divisors (see below), whose sum is σ = 246857569920. Its totient is φ = 89740569600.

The previous prime is 152103352213. The next prime is 152103352253. The reversal of 152103352221 is 122253301251.

152103352221 is a `hidden beast` number, since 15 + 2 + 103 + 3 + 522 + 21 = 666.

It is not a de Polignac number, because 152103352221 - 2³ = 152103352213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152103352211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158680 + ... + 573921.

It is an arithmetic number, because the mean of its divisors is an integer number (5142866040).

Almost surely, 2^152103352221 is an apocalyptic number.

It is an amenable number.

152103352221 is a deficient number, since it is larger than the sum of its proper divisors (94754217699).

152103352221 is a wasteful number, since it uses less digits than its factorization.

152103352221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732706 (or 732703 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 152103352221 its reverse (122253301251), we get a palindrome (274356653472).

The spelling of 152103352221 in words is "one hundred fifty-two billion, one hundred three million, three hundred fifty-two thousand, two hundred twenty-one".