22101211022111 has 32 divisors (see below), whose sum is σ = 24525052231680. Its totient is φ = 19787846649984.

The previous prime is 22101211022101. The next prime is 22101211022161. The reversal of 22101211022111 is 11122011210122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101211022111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22101211022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101211022101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49137506 + ... + 49585248.

It is an arithmetic number, because the mean of its divisors is an integer number (766407882240).

Almost surely, 2^{22101211022111} is an apocalyptic number.

22101211022111 is a deficient number, since it is larger than the sum of its proper divisors (2423841209569).

22101211022111 is a wasteful number, since it uses less digits than its factorization.

22101211022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448415.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22101211022111 its reverse (11122011210122), we get a palindrome (33223222232233).

The spelling of 22101211022111 in words is "twenty-two trillion, one hundred one billion, two hundred eleven million, twenty-two thousand, one hundred eleven".