1120001111121 has 4 divisors (see below), whose sum is σ = 1493334814832. Its totient is φ = 746667407412.

The previous prime is 1120001111107. The next prime is 1120001111171. The reversal of 1120001111121 is 1211111000211.

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 1120001111121 - 2¹⁵ = 1120001078353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120001111097 and 1120001111106.

It is not an unprimeable number, because it can be changed into a prime (1120001111171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186666851851 + ... + 186666851856.

It is an arithmetic number, because the mean of its divisors is an integer number (373333703708).

Almost surely, 2^{1120001111121} is an apocalyptic number.

It is an amenable number.

1120001111121 is a deficient number, since it is larger than the sum of its proper divisors (373333703711).

1120001111121 is an equidigital number, since it uses as much as digits as its factorization.

1120001111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373333703710.

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

Adding to 1120001111121 its reverse (1211111000211), we get a palindrome (2331112111332).

The spelling of 1120001111121 in words is "one trillion, one hundred twenty billion, one million, one hundred eleven thousand, one hundred twenty-one".