110021121000209 has 4 divisors (see below), whose sum is σ = 111089287223616. Its totient is φ = 108952954776804.

The previous prime is 110021121000187. The next prime is 110021121000233. The reversal of 110021121000209 is 902000121120011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110021121000209 - 2³⁶ = 109952401523473 is a prime.

It is a super-2 number, since 2×110021121000209² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021121000509) 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, 534083111549 + ... + 534083111754.

It is an arithmetic number, because the mean of its divisors is an integer number (27772321805904).

Almost surely, 2^{110021121000209} is an apocalyptic number.

It is an amenable number.

110021121000209 is a deficient number, since it is larger than the sum of its proper divisors (1068166223407).

110021121000209 is a wasteful number, since it uses less digits than its factorization.

110021121000209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068166223406.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 110021121000209 in words is "one hundred ten trillion, twenty-one billion, one hundred twenty-one million, two hundred nine", and thus it is an aban number.