21301012299 has 32 divisors (see below), whose sum is σ = 33570340864. Its totient is φ = 11756651040.

The previous prime is 21301012289. The next prime is 21301012321. The reversal of 21301012299 is 99221010312.

It is not a de Polignac number, because 21301012299 - 2¹² = 21301008203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21301012259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309192 + ... + 371754.

It is an arithmetic number, because the mean of its divisors is an integer number (1049073152).

Almost surely, 2^21301012299 is an apocalyptic number.

21301012299 is a deficient number, since it is larger than the sum of its proper divisors (12269328565).

21301012299 is a wasteful number, since it uses less digits than its factorization.

21301012299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63127.

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 21301012299 in words is "twenty-one billion, three hundred one million, twelve thousand, two hundred ninety-nine".