111000000211122 has 256 divisors, whose sum is σ = 254322282332160. Its totient is φ = 32000688403200.

The previous prime is 111000000211109. The next prime is 111000000211127. The reversal of 111000000211122 is 221112000000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000000211098 and 111000000211107.

It is not an unprimeable number, because it can be changed into a prime (111000000211127) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9325374223 + ... + 9325386125.

It is an arithmetic number, because the mean of its divisors is an integer number (993446415360).

Almost surely, 2^{111000000211122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111000000211122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127161141166080).

111000000211122 is an abundant number, since it is smaller than the sum of its proper divisors (143322282121038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111000000211122 is a wasteful number, since it uses less digits than its factorization.

111000000211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12509.

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

Adding to 111000000211122 its reverse (221112000000111), we get a palindrome (332112000211233).

The spelling of 111000000211122 in words is "one hundred eleven trillion, two hundred eleven thousand, one hundred twenty-two".