110010001021 has 8 divisors (see below), whose sum is σ = 110106178560. Its totient is φ = 109913867952.

The previous prime is 110010000977. The next prime is 110010001033. The reversal of 110010001021 is 120100010011.

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 110010001021 - 2²¹ = 110007903869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110010000995 and 110010001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110010001081) 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, 6484476 + ... + 6501418.

It is an arithmetic number, because the mean of its divisors is an integer number (13763272320).

Almost surely, 2^110010001021 is an apocalyptic number.

It is an amenable number.

110010001021 is a deficient number, since it is larger than the sum of its proper divisors (96177539).

110010001021 is a wasteful number, since it uses less digits than its factorization.

110010001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22235.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 110010001021 its reverse (120100010011), we get a palindrome (230110011032).

The spelling of 110010001021 in words is "one hundred ten billion, ten million, one thousand, twenty-one".