350115001021 has 4 divisors (see below), whose sum is σ = 361409033344. Its totient is φ = 338820968700.

The previous prime is 350115000973. The next prime is 350115001043. The reversal of 350115001021 is 120100511053.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120100511053 = 113 ⋅1062836381.

It is a cyclic number.

It is not a de Polignac number, because 350115001021 - 2²³ = 350106612413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350115001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350115001321) 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, 5647016115 + ... + 5647016176.

It is an arithmetic number, because the mean of its divisors is an integer number (90352258336).

Almost surely, 2^350115001021 is an apocalyptic number.

350115001021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

350115001021 is a deficient number, since it is larger than the sum of its proper divisors (11294032323).

350115001021 is a wasteful number, since it uses less digits than its factorization.

350115001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294032322.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 350115001021 its reverse (120100511053), we get a palindrome (470215512074).

The spelling of 350115001021 in words is "three hundred fifty billion, one hundred fifteen million, one thousand, twenty-one".