1113010112021 has 2 divisors, whose sum is σ = 1113010112022. Its totient is φ = 1113010112020.

The previous prime is 1113010111991. The next prime is 1113010112033. The reversal of 1113010112021 is 1202110103111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900295447921 + 212714664100 = 948839^2 + 461210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113010112021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113010111987 and 1113010112005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113010012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556505056010 + 556505056011.

It is an arithmetic number, because the mean of its divisors is an integer number (556505056011).

Almost surely, 2^{1113010112021} is an apocalyptic number.

It is an amenable number.

1113010112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113010112021 is an equidigital number, since it uses as much as digits as its factorization.

1113010112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1113010112021 its reverse (1202110103111), we get a palindrome (2315120215132).

The spelling of 1113010112021 in words is "one trillion, one hundred thirteen billion, ten million, one hundred twelve thousand, twenty-one".