110656231007621 has 4 divisors (see below), whose sum is σ = 119168248777452. Its totient is φ = 102144213237792.

The previous prime is 110656231007611. The next prime is 110656231007767. The reversal of 110656231007621 is 126700132656011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9426674543521 + 101229556464100 = 3070289^2 + 10061290^2 .

It is a cyclic number.

It is not a de Polignac number, because 110656231007621 - 2¹⁰ = 110656231006597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110656231007611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256008884896 + ... + 4256008884921.

It is an arithmetic number, because the mean of its divisors is an integer number (29792062194363).

Almost surely, 2^{110656231007621} is an apocalyptic number.

It is an amenable number.

110656231007621 is a deficient number, since it is larger than the sum of its proper divisors (8512017769831).

110656231007621 is an equidigital number, since it uses as much as digits as its factorization.

110656231007621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512017769830.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 110656231007621 in words is "one hundred ten trillion, six hundred fifty-six billion, two hundred thirty-one million, seven thousand, six hundred twenty-one".