1110133421 has 2 divisors, whose sum is σ = 1110133422. Its totient is φ = 1110133420.

The previous prime is 1110133403. The next prime is 1110133481. The reversal of 1110133421 is 1243310111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107957796 + 2175625 = 33286^2 + 1475^2 .

It is an emirp because it is prime and its reverse (1243310111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110133421 - 2²⁶ = 1043024557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110133421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110133481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555066710 + 555066711.

It is an arithmetic number, because the mean of its divisors is an integer number (555066711).

Almost surely, 2^1110133421 is an apocalyptic number.

It is an amenable number.

1110133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110133421 is an equidigital number, since it uses as much as digits as its factorization.

1110133421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1110133421 is about 33318.6647541584. The cubic root of 1110133421 is about 1035.4402884543.

Adding to 1110133421 its reverse (1243310111), we get a palindrome (2353443532).

The spelling of 1110133421 in words is "one billion, one hundred ten million, one hundred thirty-three thousand, four hundred twenty-one".