121111031300053 has 4 divisors (see below), whose sum is σ = 121111084794240. Its totient is φ = 121110977805868.

The previous prime is 121111031300023. The next prime is 121111031300057. The reversal of 121111031300053 is 350003130111121.

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-121111031300053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121111031299997 and 121111031300033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111031300057) 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, 23193733 + ... + 27931546.

It is an arithmetic number, because the mean of its divisors is an integer number (30277771198560).

Almost surely, 2^{121111031300053} is an apocalyptic number.

It is an amenable number.

121111031300053 is a deficient number, since it is larger than the sum of its proper divisors (53494187).

121111031300053 is an equidigital number, since it uses as much as digits as its factorization.

121111031300053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53494186.

The product of its (nonzero) digits is 270, while the sum is 22.

Adding to 121111031300053 its reverse (350003130111121), we get a palindrome (471114161411174).

The spelling of 121111031300053 in words is "one hundred twenty-one trillion, one hundred eleven billion, thirty-one million, three hundred thousand, fifty-three".