110210220012121 has 4 divisors (see below), whose sum is σ = 110247340331700. Its totient is φ = 110173099692544.

The previous prime is 110210220012107. The next prime is 110210220012133. The reversal of 110210220012121 is 121210022012011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2095143346521 + 108115076665600 = 1447461^2 + 10397840^2 .

It is a cyclic number.

It is not a de Polignac number, because 110210220012121 - 2⁷ = 110210220011993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110210220012095 and 110210220012104.

It is not an unprimeable number, because it can be changed into a prime (110210220312121) 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, 18560155336 + ... + 18560161273.

It is an arithmetic number, because the mean of its divisors is an integer number (27561835082925).

Almost surely, 2^{110210220012121} is an apocalyptic number.

It is an amenable number.

110210220012121 is a deficient number, since it is larger than the sum of its proper divisors (37120319579).

110210220012121 is an equidigital number, since it uses as much as digits as its factorization.

110210220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37120319578.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110210220012121 its reverse (121210022012011), we get a palindrome (231420242024132).

The spelling of 110210220012121 in words is "one hundred ten trillion, two hundred ten billion, two hundred twenty million, twelve thousand, one hundred twenty-one".