111211000122 has 32 divisors (see below), whose sum is σ = 229036305600. Its totient is φ = 35973237888.

The previous prime is 111211000073. The next prime is 111211000157. The reversal of 111211000122 is 221000112111.

It is a junction number, because it is equal to n+sod(n) for n = 111211000098 and 111211000107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576747 + ... + 745022.

It is an arithmetic number, because the mean of its divisors is an integer number (7157384550).

Almost surely, 2^111211000122 is an apocalyptic number.

111211000122 is an abundant number, since it is smaller than the sum of its proper divisors (117825305478).

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

111211000122 is a wasteful number, since it uses less digits than its factorization.

111211000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322190.

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

Adding to 111211000122 its reverse (221000112111), we get a palindrome (332211112233).

The spelling of 111211000122 in words is "one hundred eleven billion, two hundred eleven million, one hundred twenty-two", and thus it is an aban number.