21292398233331 has 8 divisors (see below), whose sum is σ = 28392100312464. Its totient is φ = 14193814154880.

The previous prime is 21292398233297. The next prime is 21292398233347. The reversal of 21292398233331 is 13333289329212.

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

It is not a de Polignac number, because 21292398233331 - 2²³ = 21292389844723 is a prime.

It is a super-2 number, since 2×21292398233331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21292398233731) 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, 279455730 + ... + 279531911.

It is an arithmetic number, because the mean of its divisors is an integer number (3549012539058).

Almost surely, 2^{21292398233331} is an apocalyptic number.

21292398233331 is a deficient number, since it is larger than the sum of its proper divisors (7099702079133).

21292398233331 is a wasteful number, since it uses less digits than its factorization.

21292398233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559000341.

The product of its digits is 2519424, while the sum is 51.

The spelling of 21292398233331 in words is "twenty-one trillion, two hundred ninety-two billion, three hundred ninety-eight million, two hundred thirty-three thousand, three hundred thirty-one".