111220122002109 has 24 divisors (see below), whose sum is σ = 152660147750208. Its totient is φ = 72011345978880.

The previous prime is 111220122002071. The next prime is 111220122002153. The reversal of 111220122002109 is 901200221022111.

It is not a de Polignac number, because 111220122002109 - 2¹³ = 111220121993917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220122002309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57203812 + ... + 59116125.

It is an arithmetic number, because the mean of its divisors is an integer number (6360839489592).

Almost surely, 2^{111220122002109} is an apocalyptic number.

It is an amenable number.

111220122002109 is a deficient number, since it is larger than the sum of its proper divisors (41440025748099).

111220122002109 is an equidigital number, since it uses as much as digits as its factorization.

111220122002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116320145 (or 116320078 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 111220122002109 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, two thousand, one hundred nine".