22011002211111 has 8 divisors (see below), whose sum is σ = 29348027262960. Its totient is φ = 14673989316672.

The previous prime is 22011002211109. The next prime is 22011002211137. The reversal of 22011002211111 is 11111220011022.

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 22011002211111 - 2¹ = 22011002211109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011002211811) 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, 2773131 + ... + 7191123.

It is an arithmetic number, because the mean of its divisors is an integer number (3668503407870).

Almost surely, 2^{22011002211111} is an apocalyptic number.

22011002211111 is a deficient number, since it is larger than the sum of its proper divisors (7337025051849).

22011002211111 is a wasteful number, since it uses less digits than its factorization.

22011002211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078705.

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

Adding to 22011002211111 its reverse (11111220011022), we get a palindrome (33122222222133).

The spelling of 22011002211111 in words is "twenty-two trillion, eleven billion, two million, two hundred eleven thousand, one hundred eleven".