22011122100111 has 8 divisors (see below), whose sum is σ = 29348252091264. Its totient is φ = 14674036754520.

The previous prime is 22011122100053. The next prime is 22011122100119. The reversal of 22011122100111 is 11100122111022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22011122100111 - 2⁶ = 22011122100047 is a prime.

It is a super-2 number, since 2×22011122100111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011122100119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9993555 + ... + 11995556.

It is an arithmetic number, because the mean of its divisors is an integer number (3668531511408).

Almost surely, 2^{22011122100111} is an apocalyptic number.

22011122100111 is a deficient number, since it is larger than the sum of its proper divisors (7337129991153).

22011122100111 is a wasteful number, since it uses less digits than its factorization.

22011122100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22322781.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011122100111 its reverse (11100122111022), we get a palindrome (33111244211133).

The spelling of 22011122100111 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred thousand, one hundred eleven".