1121100011121 has 8 divisors (see below), whose sum is σ = 1494804905440. Its totient is φ = 747397562112.

The previous prime is 1121100011113. The next prime is 1121100011123. The reversal of 1121100011121 is 1211100011211.

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

It is not a de Polignac number, because 1121100011121 - 2³ = 1121100011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121100011097 and 1121100011106.

It is not an unprimeable number, because it can be changed into a prime (1121100011123) 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, 1512870 + ... + 2128608.

It is an arithmetic number, because the mean of its divisors is an integer number (186850613180).

Almost surely, 2^{1121100011121} is an apocalyptic number.

It is an amenable number.

1121100011121 is a deficient number, since it is larger than the sum of its proper divisors (373704894319).

1121100011121 is an equidigital number, since it uses as much as digits as its factorization.

1121100011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222655.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121100011121 its reverse (1211100011211), we get a palindrome (2332200022332).

The spelling of 1121100011121 in words is "one trillion, one hundred twenty-one billion, one hundred million, eleven thousand, one hundred twenty-one".