21302133099 has 16 divisors (see below), whose sum is σ = 31414374432. Its totient is φ = 12754706688.

The previous prime is 21302133091. The next prime is 21302133133. The reversal of 21302133099 is 99033120312.

It is not a de Polignac number, because 21302133099 - 2³ = 21302133091 is a prime.

It is a super-2 number, since 2×21302133099² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21302133091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7379754 + ... + 7382639.

It is an arithmetic number, because the mean of its divisors is an integer number (1963398402).

Almost surely, 2^21302133099 is an apocalyptic number.

21302133099 is a deficient number, since it is larger than the sum of its proper divisors (10112241333).

21302133099 is a wasteful number, since it uses less digits than its factorization.

21302133099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14762446.

The product of its (nonzero) digits is 8748, while the sum is 33.

It can be divided in two parts, 2130213 and 3099, that added together give a palindrome (2133312).

The spelling of 21302133099 in words is "twenty-one billion, three hundred two million, one hundred thirty-three thousand, ninety-nine".