111021122221199 has 4 divisors (see below), whose sum is σ = 111090640771464. Its totient is φ = 110951603670936.

The previous prime is 111021122221073. The next prime is 111021122221211. The reversal of 111021122221199 is 991122221120111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111021122221199 - 2³² = 111016827253903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021172221199) 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, 34759272737 + ... + 34759275930.

It is an arithmetic number, because the mean of its divisors is an integer number (27772660192866).

Almost surely, 2^{111021122221199} is an apocalyptic number.

111021122221199 is a deficient number, since it is larger than the sum of its proper divisors (69518550265).

111021122221199 is an equidigital number, since it uses as much as digits as its factorization.

111021122221199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69518550264.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 111021122221199 in words is "one hundred eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ninety-nine".