1113121122131 has 8 divisors (see below), whose sum is σ = 1128257439120. Its totient is φ = 1098025881952.

The previous prime is 1113121122083. The next prime is 1113121122133. The reversal of 1113121122131 is 1312211213111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113121122131 is a prime.

It is a super-2 number, since 2×1113121122131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113121122133) 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, 10214636 + ... + 10323033.

It is an arithmetic number, because the mean of its divisors is an integer number (141032179890).

Almost surely, 2^{1113121122131} is an apocalyptic number.

1113121122131 is a deficient number, since it is larger than the sum of its proper divisors (15136316989).

1113121122131 is an equidigital number, since it uses as much as digits as its factorization.

1113121122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20538405.

The product of its digits is 72, while the sum is 20.

Adding to 1113121122131 its reverse (1312211213111), we get a palindrome (2425332335242).

The spelling of 1113121122131 in words is "one trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-one".