111122222199999 has 16 divisors (see below), whose sum is σ = 152336755382784. Its totient is φ = 72007920043200.

The previous prime is 111122222199907. The next prime is 111122222200009. The reversal of 111122222199999 is 999991222221111.

It is not a de Polignac number, because 111122222199999 - 2⁹ = 111122222199487 is a prime.

It is a super-4 number, since 4×111122222199999⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122122199999) 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, 1666816669 + ... + 1666883334.

It is an arithmetic number, because the mean of its divisors is an integer number (9521047211424).

Almost surely, 2^{111122222199999} is an apocalyptic number.

111122222199999 is a deficient number, since it is larger than the sum of its proper divisors (41214533182785).

111122222199999 is a wasteful number, since it uses less digits than its factorization.

111122222199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333700318.

The product of its digits is 1889568, while the sum is 60.

The spelling of 111122222199999 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred ninety-nine".