110021001001 has 8 divisors (see below), whose sum is σ = 111103679520. Its totient is φ = 108940235712.

The previous prime is 110021000983. The next prime is 110021001029. The reversal of 110021001001 is 100100120011.

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 110021001001 - 2²¹ = 110018903849 is a prime.

It is a super-2 number, since 2×110021001001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021001401) 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, 362595 + ... + 592888.

It is an arithmetic number, because the mean of its divisors is an integer number (13887959940).

Almost surely, 2^110021001001 is an apocalyptic number.

It is an amenable number.

110021001001 is a deficient number, since it is larger than the sum of its proper divisors (1082678519).

110021001001 is a wasteful number, since it uses less digits than its factorization.

110021001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956615.

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

Adding to 110021001001 its reverse (100100120011), we get a palindrome (210121121012).

The spelling of 110021001001 in words is "one hundred ten billion, twenty-one million, one thousand, one".