111001211122 has 16 divisors (see below), whose sum is σ = 177019162560. Its totient is φ = 52085882992.

The previous prime is 111001211107. The next prime is 111001211129. The reversal of 111001211122 is 221112100111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111001211129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22762372 + ... + 22767247.

It is an arithmetic number, because the mean of its divisors is an integer number (11063697660).

Almost surely, 2^111001211122 is an apocalyptic number.

111001211122 is a deficient number, since it is larger than the sum of its proper divisors (66017951438).

111001211122 is a wasteful number, since it uses less digits than its factorization.

111001211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45529697.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111001211122 its reverse (221112100111), we get a palindrome (332113311233).

The spelling of 111001211122 in words is "one hundred eleven billion, one million, two hundred eleven thousand, one hundred twenty-two".