22101020011111 has 8 divisors (see below), whose sum is σ = 22187817396864. Its totient is φ = 22014299954400.

The previous prime is 22101020011061. The next prime is 22101020011139. The reversal of 22101020011111 is 11111002010122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22101020011111 - 2¹⁷ = 22101019880039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101020011091 and 22101020011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101027011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18759496 + ... + 19902781.

It is an arithmetic number, because the mean of its divisors is an integer number (2773477174608).

Almost surely, 2^{22101020011111} is an apocalyptic number.

22101020011111 is a deficient number, since it is larger than the sum of its proper divisors (86797385753).

22101020011111 is a wasteful number, since it uses less digits than its factorization.

22101020011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38664521.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22101020011111 its reverse (11111002010122), we get a palindrome (33212022021233).

The spelling of 22101020011111 in words is "twenty-two trillion, one hundred one billion, twenty million, eleven thousand, one hundred eleven".