111120220201999 has 4 divisors (see below), whose sum is σ = 111585158362080. Its totient is φ = 110655282041920.

The previous prime is 111120220201973. The next prime is 111120220202039. The reversal of 111120220201999 is 999102022021111.

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 111120220201999 - 2¹⁹ = 111120219677711 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 (111120220291999) 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, 232469079682 + ... + 232469080159.

It is an arithmetic number, because the mean of its divisors is an integer number (27896289590520).

Almost surely, 2^{111120220201999} is an apocalyptic number.

111120220201999 is a deficient number, since it is larger than the sum of its proper divisors (464938160081).

111120220201999 is an equidigital number, since it uses as much as digits as its factorization.

111120220201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464938160080.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 111120220201999 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, two hundred one thousand, nine hundred ninety-nine".