110121643380995 has 16 divisors (see below), whose sum is σ = 132248904525408. Its totient is φ = 88028709914880.

The previous prime is 110121643380989. The next prime is 110121643380997. The reversal of 110121643380995 is 599083346121011.

It is a happy number.

It is a Cunningham number, because it is equal to 10493886²-1.

It is not a de Polignac number, because 110121643380995 - 2¹⁶ = 110121643315459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110121643380997) 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, 51420047 + ... + 53518823.

It is an arithmetic number, because the mean of its divisors is an integer number (8265556532838).

Almost surely, 2^{110121643380995} is an apocalyptic number.

110121643380995 is a deficient number, since it is larger than the sum of its proper divisors (22127261144413).

110121643380995 is a wasteful number, since it uses less digits than its factorization.

110121643380995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106950.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 110121643380995 in words is "one hundred ten trillion, one hundred twenty-one billion, six hundred forty-three million, three hundred eighty thousand, nine hundred ninety-five".