110212321121 has 16 divisors (see below), whose sum is σ = 135882520704. Its totient is φ = 87233213184.

The previous prime is 110212321117. The next prime is 110212321147. The reversal of 110212321121 is 121123212011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110212321121 - 2² = 110212321117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 110212321121.

It is not an unprimeable number, because it can be changed into a prime (110212321181) 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, 8730995 + ... + 8743608.

It is an arithmetic number, because the mean of its divisors is an integer number (8492657544).

Almost surely, 2^110212321121 is an apocalyptic number.

It is an amenable number.

110212321121 is a deficient number, since it is larger than the sum of its proper divisors (25670199583).

110212321121 is a wasteful number, since it uses less digits than its factorization.

110212321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474680.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 110212321121 its reverse (121123212011), we get a palindrome (231335533132).

The spelling of 110212321121 in words is "one hundred ten billion, two hundred twelve million, three hundred twenty-one thousand, one hundred twenty-one".