110210121211121 has 4 divisors (see below), whose sum is σ = 111280122388032. Its totient is φ = 109140120034212.

The previous prime is 110210121211117. The next prime is 110210121211147. The reversal of 110210121211121 is 121112121012011.

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 110210121211121 - 2² = 110210121211117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110210121211121.

It is not an unprimeable number, because it can be changed into a prime (110210121211721) 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, 535000588301 + ... + 535000588506.

It is an arithmetic number, because the mean of its divisors is an integer number (27820030597008).

Almost surely, 2^{110210121211121} is an apocalyptic number.

It is an amenable number.

110210121211121 is a deficient number, since it is larger than the sum of its proper divisors (1070001176911).

110210121211121 is a wasteful number, since it uses less digits than its factorization.

110210121211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070001176910.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110210121211121 its reverse (121112121012011), we get a palindrome (231322242223132).

The spelling of 110210121211121 in words is "one hundred ten trillion, two hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".