110210212212121 has 16 divisors (see below), whose sum is σ = 129025126310400. Its totient is φ = 94098324526080.

The previous prime is 110210212212119. The next prime is 110210212212167. The reversal of 110210212212121 is 121212212012011.

It is a happy number.

It is not a de Polignac number, because 110210212212121 - 2¹ = 110210212212119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110210212212421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625033585 + ... + 625209886.

It is an arithmetic number, because the mean of its divisors is an integer number (8064070394400).

Almost surely, 2^{110210212212121} is an apocalyptic number.

It is an amenable number.

110210212212121 is a deficient number, since it is larger than the sum of its proper divisors (18814914098279).

110210212212121 is an equidigital number, since it uses as much as digits as its factorization.

110210212212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250243749 (or 1250243735 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110210212212121 its reverse (121212212012011), we get a palindrome (231422424224132).

The spelling of 110210212212121 in words is "one hundred ten trillion, two hundred ten billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-one".