110220332120021 has 4 divisors (see below), whose sum is σ = 110266047730944. Its totient is φ = 110174616509100.

The previous prime is 110220332120009. The next prime is 110220332120033. The reversal of 110220332120021 is 120021233022011.

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 an interprime number because it is at equal distance from previous prime (110220332120009) and next prime (110220332120033).

It is a cyclic number.

It is not a de Polignac number, because 110220332120021 - 2²² = 110220327925717 is a prime.

It is a super-2 number, since 2×110220332120021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110220332119975 and 110220332120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220332120071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22857801845 + ... + 22857806666.

It is an arithmetic number, because the mean of its divisors is an integer number (27566511932736).

Almost surely, 2^{110220332120021} is an apocalyptic number.

It is an amenable number.

110220332120021 is a deficient number, since it is larger than the sum of its proper divisors (45715610923).

110220332120021 is an equidigital number, since it uses as much as digits as its factorization.

110220332120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45715610922.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 110220332120021 its reverse (120021233022011), we get a palindrome (230241565142032).

The spelling of 110220332120021 in words is "one hundred ten trillion, two hundred twenty billion, three hundred thirty-two million, one hundred twenty thousand, twenty-one".