111022209999 has 12 divisors (see below), whose sum is σ = 160372515576. Its totient is φ = 74011529232.

The previous prime is 111022209997. The next prime is 111022210121. The reversal of 111022209999 is 999902220111.

It is not a de Polignac number, because 111022209999 - 2¹ = 111022209997 is a prime.

It is a super-2 number, since 2×111022209999² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022209997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48892 + ... + 473745.

It is an arithmetic number, because the mean of its divisors is an integer number (13364376298).

Almost surely, 2^111022209999 is an apocalyptic number.

111022209999 is a deficient number, since it is larger than the sum of its proper divisors (49350305577).

111022209999 is a wasteful number, since it uses less digits than its factorization.

111022209999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546246 (or 546243 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 111022209999 in words is "one hundred eleven billion, twenty-two million, two hundred nine thousand, nine hundred ninety-nine".