111022011111209 has 4 divisors (see below), whose sum is σ = 121114921212240. Its totient is φ = 100929101010180.

The previous prime is 111022011111203. The next prime is 111022011111217. The reversal of 111022011111209 is 902111110220111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111022011111209 - 2²⁴ = 111021994333993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022011111203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5046455050499 + ... + 5046455050520.

It is an arithmetic number, because the mean of its divisors is an integer number (30278730303060).

Almost surely, 2^{111022011111209} is an apocalyptic number.

It is an amenable number.

111022011111209 is a deficient number, since it is larger than the sum of its proper divisors (10092910101031).

111022011111209 is a wasteful number, since it uses less digits than its factorization.

111022011111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092910101030.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 111022011111209 in words is "one hundred eleven trillion, twenty-two billion, eleven million, one hundred eleven thousand, two hundred nine".