110021011001 has 32 divisors (see below), whose sum is σ = 126512464896. Its totient is φ = 94766976000.

The previous prime is 110021010997. The next prime is 110021011027. The reversal of 110021011001 is 100110120011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110021011001 - 2² = 110021010997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110021011001.

It is not an unprimeable number, because it can be changed into a prime (110021011801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3394211 + ... + 3426471.

It is an arithmetic number, because the mean of its divisors is an integer number (3953514528).

Almost surely, 2^110021011001 is an apocalyptic number.

110021011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110021011001 is a deficient number, since it is larger than the sum of its proper divisors (16491453895).

110021011001 is a wasteful number, since it uses less digits than its factorization.

110021011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32513.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 110021011001 its reverse (100110120011), we get a palindrome (210131131012).

The spelling of 110021011001 in words is "one hundred ten billion, twenty-one million, eleven thousand, one".