22201112101111 has 4 divisors (see below), whose sum is σ = 23369591685400. Its totient is φ = 21032632516824.

The previous prime is 22201112101109. The next prime is 22201112101117. The reversal of 22201112101111 is 11110121110222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22201112101111 - 2¹ = 22201112101109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201112101117) 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, 584239792116 + ... + 584239792153.

It is an arithmetic number, because the mean of its divisors is an integer number (5842397921350).

Almost surely, 2^{22201112101111} is an apocalyptic number.

22201112101111 is a deficient number, since it is larger than the sum of its proper divisors (1168479584289).

22201112101111 is a wasteful number, since it uses less digits than its factorization.

22201112101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168479584288.

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

Adding to 22201112101111 its reverse (11110121110222), we get a palindrome (33311233211333).

The spelling of 22201112101111 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred one thousand, one hundred eleven".