352411253121021 has 4 divisors (see below), whose sum is σ = 469881670828032. Its totient is φ = 234940835414012.

The previous prime is 352411253121013. The next prime is 352411253121071. The reversal of 352411253121021 is 120121352114253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352411253121021 - 2³ = 352411253121013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352411253121071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58735208853501 + ... + 58735208853506.

It is an arithmetic number, because the mean of its divisors is an integer number (117470417707008).

Almost surely, 2^{352411253121021} is an apocalyptic number.

It is an amenable number.

352411253121021 is a deficient number, since it is larger than the sum of its proper divisors (117470417707011).

352411253121021 is a wasteful number, since it uses less digits than its factorization.

352411253121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117470417707010.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 352411253121021 in words is "three hundred fifty-two trillion, four hundred eleven billion, two hundred fifty-three million, one hundred twenty-one thousand, twenty-one".