21214162357275 has 48 divisors (see below), whose sum is σ = 35702090792960. Its totient is φ = 11113120512000.

The previous prime is 21214162357247. The next prime is 21214162357343. The reversal of 21214162357275 is 57275326141212.

It is not a de Polignac number, because 21214162357275 - 2¹¹ = 21214162355227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8132251 + ... + 10419300.

Almost surely, 2^{21214162357275} is an apocalyptic number.

21214162357275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21214162357275 is a deficient number, since it is larger than the sum of its proper divisors (14487928435685).

21214162357275 is a wasteful number, since it uses less digits than its factorization.

21214162357275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551836 (or 18551831 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

Adding to 21214162357275 its reverse (57275326141212), we get a palindrome (78489488498487).

The spelling of 21214162357275 in words is "twenty-one trillion, two hundred fourteen billion, one hundred sixty-two million, three hundred fifty-seven thousand, two hundred seventy-five".