1111101120121 has 8 divisors (see below), whose sum is σ = 1145221754688. Its totient is φ = 1077493578000.

The previous prime is 1111101120091. The next prime is 1111101120149. The reversal of 1111101120121 is 1210211011111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111101120121 - 2⁷ = 1111101119993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111101129121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128268715 + ... + 128277376.

It is an arithmetic number, because the mean of its divisors is an integer number (143152719336).

Almost surely, 2^{1111101120121} is an apocalyptic number.

It is an amenable number.

1111101120121 is a deficient number, since it is larger than the sum of its proper divisors (34120634567).

1111101120121 is an equidigital number, since it uses as much as digits as its factorization.

1111101120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256546223.

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

Adding to 1111101120121 its reverse (1210211011111), we get a palindrome (2321312131232).

The spelling of 1111101120121 in words is "one trillion, one hundred eleven billion, one hundred one million, one hundred twenty thousand, one hundred twenty-one".