111222121094 has 12 divisors (see below), whose sum is σ = 194071252284. Its totient is φ = 47666623284.

The previous prime is 111222121081. The next prime is 111222121133. The reversal of 111222121094 is 490121222111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567459704 + ... + 567459899.

It is an arithmetic number, because the mean of its divisors is an integer number (16172604357).

Almost surely, 2^111222121094 is an apocalyptic number.

111222121094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111222121094 is a deficient number, since it is larger than the sum of its proper divisors (82849131190).

111222121094 is a wasteful number, since it uses less digits than its factorization.

111222121094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134919619 (or 1134919612 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 111222121094 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, ninety-four".