22111002220111 has 16 divisors (see below), whose sum is σ = 25330150379520. Its totient is φ = 18906968715840.

The previous prime is 22111002220081. The next prime is 22111002220159. The reversal of 22111002220111 is 11102220011122.

It is a cyclic number.

It is not a de Polignac number, because 22111002220111 - 2⁵ = 22111002220079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111002220171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43332955 + ... + 43840243.

It is an arithmetic number, because the mean of its divisors is an integer number (1583134398720).

Almost surely, 2^{22111002220111} is an apocalyptic number.

22111002220111 is a deficient number, since it is larger than the sum of its proper divisors (3219148159409).

22111002220111 is a wasteful number, since it uses less digits than its factorization.

22111002220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522174.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111002220111 its reverse (11102220011122), we get a palindrome (33213222231233).

The spelling of 22111002220111 in words is "twenty-two trillion, one hundred eleven billion, two million, two hundred twenty thousand, one hundred eleven".