110010212101021 has 4 divisors (see below), whose sum is σ = 111874791967200. Its totient is φ = 108145632234844.

The previous prime is 110010212101007. The next prime is 110010212101099. The reversal of 110010212101021 is 120101212010011.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-110010212101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110010212100992 and 110010212101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110010212101001) 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, 932289933001 + ... + 932289933118.

It is an arithmetic number, because the mean of its divisors is an integer number (27968697991800).

Almost surely, 2^{110010212101021} is an apocalyptic number.

It is an amenable number.

110010212101021 is a deficient number, since it is larger than the sum of its proper divisors (1864579866179).

110010212101021 is an equidigital number, since it uses as much as digits as its factorization.

110010212101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864579866178.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110010212101021 its reverse (120101212010011), we get a palindrome (230111424111032).

The spelling of 110010212101021 in words is "one hundred ten trillion, ten billion, two hundred twelve million, one hundred one thousand, twenty-one".