110021202002021 has 4 divisors (see below), whose sum is σ = 114804732523872. Its totient is φ = 105237671480172.

The previous prime is 110021202002017. The next prime is 110021202002039. The reversal of 110021202002021 is 120200202120011.

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 110021202002021 - 2² = 110021202002017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110021202001987 and 110021202002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021202002051) 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, 2391765260891 + ... + 2391765260936.

It is an arithmetic number, because the mean of its divisors is an integer number (28701183130968).

Almost surely, 2^{110021202002021} is an apocalyptic number.

It is an amenable number.

110021202002021 is a deficient number, since it is larger than the sum of its proper divisors (4783530521851).

110021202002021 is an equidigital number, since it uses as much as digits as its factorization.

110021202002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783530521850.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110021202002021 its reverse (120200202120011), we get a palindrome (230221404122032).

The spelling of 110021202002021 in words is "one hundred ten trillion, twenty-one billion, two hundred two million, two thousand, twenty-one".