22120201110111 has 16 divisors (see below), whose sum is σ = 31763393375616. Its totient is φ = 13611980029536.

The previous prime is 22120201110103. The next prime is 22120201110113. The reversal of 22120201110111 is 11101110202122.

It is a happy number.

It is not a de Polignac number, because 22120201110111 - 2³ = 22120201110103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120201110113) 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, 8211625 + ... + 10567458.

It is an arithmetic number, because the mean of its divisors is an integer number (1985212085976).

Almost surely, 2^{22120201110111} is an apocalyptic number.

22120201110111 is a deficient number, since it is larger than the sum of its proper divisors (9643192265505).

22120201110111 is a wasteful number, since it uses less digits than its factorization.

22120201110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18809302.

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

Adding to 22120201110111 its reverse (11101110202122), we get a palindrome (33221311312233).

It can be divided in two parts, 221202011 and 10111, that added together give a palindrome (221212122).

The spelling of 22120201110111 in words is "twenty-two trillion, one hundred twenty billion, two hundred one million, one hundred ten thousand, one hundred eleven".