22111102121099 has 4 divisors (see below), whose sum is σ = 23411755187064. Its totient is φ = 20810449055136.

The previous prime is 22111102121039. The next prime is 22111102121131. The reversal of 22111102121099 is 99012120111122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111102121099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111102121039) 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, 650326532957 + ... + 650326532990.

It is an arithmetic number, because the mean of its divisors is an integer number (5852938796766).

Almost surely, 2^{22111102121099} is an apocalyptic number.

22111102121099 is a deficient number, since it is larger than the sum of its proper divisors (1300653065965).

22111102121099 is a wasteful number, since it uses less digits than its factorization.

22111102121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300653065964.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 22111102121099 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, ninety-nine".