21112233299 has 4 divisors (see below), whose sum is σ = 21299067336. Its totient is φ = 20925399264.

The previous prime is 21112233283. The next prime is 21112233319. The reversal of 21112233299 is 99233221112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21112233299 - 2⁴ = 21112233283 is a prime.

It is a super-4 number, since 4×21112233299⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112233229) 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, 93416849 + ... + 93417074.

It is an arithmetic number, because the mean of its divisors is an integer number (5324766834).

Almost surely, 2^21112233299 is an apocalyptic number.

21112233299 is a deficient number, since it is larger than the sum of its proper divisors (186834037).

21112233299 is a wasteful number, since it uses less digits than its factorization.

21112233299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186834036.

The product of its digits is 11664, while the sum is 35.

The spelling of 21112233299 in words is "twenty-one billion, one hundred twelve million, two hundred thirty-three thousand, two hundred ninety-nine".