1110434001621 has 16 divisors (see below), whose sum is σ = 1692119459328. Its totient is φ = 634522633200.

The previous prime is 1110434001587. The next prime is 1110434001667. The reversal of 1110434001621 is 1261004340111.

It is a happy number.

It is not a de Polignac number, because 1110434001621 - 2⁶ = 1110434001557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110434001591 and 1110434001600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110433001621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856866 + ... + 1719036.

It is an arithmetic number, because the mean of its divisors is an integer number (105757466208).

Almost surely, 2^{1110434001621} is an apocalyptic number.

It is an amenable number.

1110434001621 is a deficient number, since it is larger than the sum of its proper divisors (581685457707).

1110434001621 is an equidigital number, since it uses as much as digits as its factorization.

1110434001621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923512.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1110434001621 its reverse (1261004340111), we get a palindrome (2371438341732).

The spelling of 1110434001621 in words is "one trillion, one hundred ten billion, four hundred thirty-four million, one thousand, six hundred twenty-one".