1133113102421 has 2 divisors, whose sum is σ = 1133113102422. Its totient is φ = 1133113102420.

The previous prime is 1133113102337. The next prime is 1133113102423. The reversal of 1133113102421 is 1242013113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127077366321 + 6035736100 = 1061639^2 + 77690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133113102421 - 2²⁶ = 1133045993557 is a prime.

It is a super-2 number, since 2×1133113102421² (a number of 25 digits) contains 22 as substring.

Together with 1133113102423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133113102423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566556551210 + 566556551211.

It is an arithmetic number, because the mean of its divisors is an integer number (566556551211).

Almost surely, 2^{1133113102421} is an apocalyptic number.

It is an amenable number.

1133113102421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133113102421 is an equidigital number, since it uses as much as digits as its factorization.

1133113102421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1133113102421 its reverse (1242013113311), we get a palindrome (2375126215732).

The spelling of 1133113102421 in words is "one trillion, one hundred thirty-three billion, one hundred thirteen million, one hundred two thousand, four hundred twenty-one".