111211001097 has 8 divisors (see below), whose sum is σ = 169464382656. Its totient is φ = 63549143472.

The previous prime is 111211001023. The next prime is 111211001113. The reversal of 111211001097 is 790100112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111211001097 - 2¹⁰ = 111211000073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111211001197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647880958 + ... + 2647880999.

It is an arithmetic number, because the mean of its divisors is an integer number (21183047832).

Almost surely, 2^111211001097 is an apocalyptic number.

It is an amenable number.

111211001097 is a deficient number, since it is larger than the sum of its proper divisors (58253381559).

111211001097 is an equidigital number, since it uses as much as digits as its factorization.

111211001097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295761967.

The product of its (nonzero) digits is 126, while the sum is 24.

The spelling of 111211001097 in words is "one hundred eleven billion, two hundred eleven million, one thousand, ninety-seven".