1110122201021 has 8 divisors (see below), whose sum is σ = 1121137145688. Its totient is φ = 1099107720000.

The previous prime is 1110122201017. The next prime is 1110122201051. The reversal of 1110122201021 is 1201022210111.

It can be written as a sum of positive squares in 4 ways, for example, as 973259198521 + 136863002500 = 986539^2 + 369950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1110122201021 - 2² = 1110122201017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1110122200987 and 1110122201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110122201051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6638051 + ... + 6803231.

It is an arithmetic number, because the mean of its divisors is an integer number (140142143211).

Almost surely, 2^{1110122201021} is an apocalyptic number.

It is an amenable number.

1110122201021 is a deficient number, since it is larger than the sum of its proper divisors (11014944667).

1110122201021 is a wasteful number, since it uses less digits than its factorization.

1110122201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231823.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1110122201021 its reverse (1201022210111), we get a palindrome (2311144411132).

The spelling of 1110122201021 in words is "one trillion, one hundred ten billion, one hundred twenty-two million, two hundred one thousand, twenty-one".