110220212122121 has 4 divisors (see below), whose sum is σ = 110253622314000. Its totient is φ = 110186801930244.

The previous prime is 110220212122109. The next prime is 110220212122123. The reversal of 110220212122121 is 121221212022011.

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 110220212122121 - 2²⁶ = 110220145013257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110220212122093 and 110220212122102.

It is not an unprimeable number, because it can be changed into a prime (110220212122123) 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, 16705090991 + ... + 16705097588.

It is an arithmetic number, because the mean of its divisors is an integer number (27563405578500).

Almost surely, 2^{110220212122121} is an apocalyptic number.

It is an amenable number.

110220212122121 is a deficient number, since it is larger than the sum of its proper divisors (33410191879).

110220212122121 is an equidigital number, since it uses as much as digits as its factorization.

110220212122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33410191878.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110220212122121 its reverse (121221212022011), we get a palindrome (231441424144132).

The spelling of 110220212122121 in words is "one hundred ten trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-one".