22101111102011 has 4 divisors (see below), whose sum is σ = 22101226854024. Its totient is φ = 22100995350000.

The previous prime is 22101111101987. The next prime is 22101111102041. The reversal of 22101111102011 is 11020111110122.

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-22101111102011 is a prime.

It is a super-2 number, since 2×22101111102011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101111102041) 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, 57589130 + ... + 57971631.

It is an arithmetic number, because the mean of its divisors is an integer number (5525306713506).

Almost surely, 2^{22101111102011} is an apocalyptic number.

22101111102011 is a deficient number, since it is larger than the sum of its proper divisors (115752013).

22101111102011 is a wasteful number, since it uses less digits than its factorization.

22101111102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115752012.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 22101111102011 its reverse (11020111110122), we get a palindrome (33121222212133).

The spelling of 22101111102011 in words is "twenty-two trillion, one hundred one billion, one hundred eleven million, one hundred two thousand, eleven".