1121120100101 has 4 divisors (see below), whose sum is σ = 1123111432992. Its totient is φ = 1119128767212.

The previous prime is 1121120100091. The next prime is 1121120100103. The reversal of 1121120100101 is 1010010211211.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121120100101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120100103) 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, 995665601 + ... + 995666726.

It is an arithmetic number, because the mean of its divisors is an integer number (280777858248).

Almost surely, 2^{1121120100101} is an apocalyptic number.

It is an amenable number.

1121120100101 is a deficient number, since it is larger than the sum of its proper divisors (1991332891).

1121120100101 is an equidigital number, since it uses as much as digits as its factorization.

1121120100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991332890.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1121120100101 its reverse (1010010211211), we get a palindrome (2131130311312).

It can be divided in two parts, 1121120 and 100101, that added together give a palindrome (1221221).

The spelling of 1121120100101 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred thousand, one hundred one".