22021102099 has 4 divisors (see below), whose sum is σ = 23316461064. Its totient is φ = 20725743136.

The previous prime is 22021102097. The next prime is 22021102127. The reversal of 22021102099 is 99020112022.

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 22021102099 - 2¹ = 22021102097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021102097) 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, 647679457 + ... + 647679490.

It is an arithmetic number, because the mean of its divisors is an integer number (5829115266).

Almost surely, 2^22021102099 is an apocalyptic number.

22021102099 is a deficient number, since it is larger than the sum of its proper divisors (1295358965).

22021102099 is a wasteful number, since it uses less digits than its factorization.

22021102099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295358964.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 22021102099 in words is "twenty-two billion, twenty-one million, one hundred two thousand, ninety-nine".