110212100021121 has 16 divisors (see below), whose sum is σ = 167942547492864. Its totient is φ = 62978230428624.

The previous prime is 110212100021029. The next prime is 110212100021137. The reversal of 110212100021121 is 121120001212011.

It is a happy number.

It is not a de Polignac number, because 110212100021121 - 2⁹ = 110212100020609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110212100021121.

It is not an unprimeable number, because it can be changed into a prime (110212100021021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178576 + ... + 16950318.

It is an arithmetic number, because the mean of its divisors is an integer number (10496409218304).

Almost surely, 2^{110212100021121} is an apocalyptic number.

It is an amenable number.

110212100021121 is a deficient number, since it is larger than the sum of its proper divisors (57730447471743).

110212100021121 is an equidigital number, since it uses as much as digits as its factorization.

110212100021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370060.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110212100021121 its reverse (121120001212011), we get a palindrome (231332101233132).

The spelling of 110212100021121 in words is "one hundred ten trillion, two hundred twelve billion, one hundred million, twenty-one thousand, one hundred twenty-one".