110012011222121 has 4 divisors (see below), whose sum is σ = 113805528850500. Its totient is φ = 106218493593744.

The previous prime is 110012011222027. The next prime is 110012011222147. The reversal of 110012011222121 is 121222110210011.

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 59348364956521 + 50663646265600 = 7703789^2 + 7117840^2 .

It is a cyclic number.

It is not a de Polignac number, because 110012011222121 - 2³⁸ = 109737133315177 is a prime.

It is a super-2 number, since 2×110012011222121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110012011222121.

It is not an unprimeable number, because it can be changed into a prime (110012011222021) 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, 1896758814146 + ... + 1896758814203.

It is an arithmetic number, because the mean of its divisors is an integer number (28451382212625).

Almost surely, 2^{110012011222121} is an apocalyptic number.

It is an amenable number.

110012011222121 is a deficient number, since it is larger than the sum of its proper divisors (3793517628379).

110012011222121 is an equidigital number, since it uses as much as digits as its factorization.

110012011222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793517628378.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110012011222121 its reverse (121222110210011), we get a palindrome (231234121432132).

The spelling of 110012011222121 in words is "one hundred ten trillion, twelve billion, eleven million, two hundred twenty-two thousand, one hundred twenty-one".