111110100121201 has 4 divisors (see below), whose sum is σ = 116958000127600. Its totient is φ = 105262200114804.

The previous prime is 111110100121121. The next prime is 111110100121211. The reversal of 111110100121201 is 102121001011111.

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 not a de Polignac number, because 111110100121201 - 2¹⁵ = 111110100088433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111110100121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923950003171 + ... + 2923950003208.

It is an arithmetic number, because the mean of its divisors is an integer number (29239500031900).

Almost surely, 2^{111110100121201} is an apocalyptic number.

It is an amenable number.

111110100121201 is a deficient number, since it is larger than the sum of its proper divisors (5847900006399).

111110100121201 is an equidigital number, since it uses as much as digits as its factorization.

111110100121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847900006398.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111110100121201 its reverse (102121001011111), we get a palindrome (213231101132312).

The spelling of 111110100121201 in words is "one hundred eleven trillion, one hundred ten billion, one hundred million, one hundred twenty-one thousand, two hundred one".