110021021011021 has 4 divisors (see below), whose sum is σ = 110021057002944. Its totient is φ = 110020985019100.

The previous prime is 110021021010961. The next prime is 110021021011073. The reversal of 110021021011021 is 120110120120011.

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 not a de Polignac number, because 110021021011021 - 2¹⁷ = 110021020879949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110021021010992 and 110021021011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021081011021) 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, 12936595 + ... + 19682416.

It is an arithmetic number, because the mean of its divisors is an integer number (27505264250736).

Almost surely, 2^{110021021011021} is an apocalyptic number.

It is an amenable number.

110021021011021 is a deficient number, since it is larger than the sum of its proper divisors (35991923).

110021021011021 is an equidigital number, since it uses as much as digits as its factorization.

110021021011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35991922.

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

Adding to 110021021011021 its reverse (120110120120011), we get a palindrome (230131141131032).

The spelling of 110021021011021 in words is "one hundred ten trillion, twenty-one billion, twenty-one million, eleven thousand, twenty-one".