11200122111 has 16 divisors (see below), whose sum is σ = 15352856064. Its totient is φ = 7257482784.

The previous prime is 11200122107. The next prime is 11200122119. The reversal of 11200122111 is 11122100211.

It is not a de Polignac number, because 11200122111 - 2² = 11200122107 is a prime.

It is a super-2 number, since 2×11200122111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200122119) 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, 57790 + ... + 160436.

It is an arithmetic number, because the mean of its divisors is an integer number (959553504).

Almost surely, 2^11200122111 is an apocalyptic number.

11200122111 is a deficient number, since it is larger than the sum of its proper divisors (4152733953).

11200122111 is a wasteful number, since it uses less digits than its factorization.

11200122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11200122111 its reverse (11122100211), we get a palindrome (22322222322).

The spelling of 11200122111 in words is "eleven billion, two hundred million, one hundred twenty-two thousand, one hundred eleven".