1110121322121 has 16 divisors (see below), whose sum is σ = 1879570492800. Its totient is φ = 634355041104.

The previous prime is 1110121322083. The next prime is 1110121322159. The reversal of 1110121322121 is 1212231210111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1110121322083) and next prime (1110121322159).

It is not a de Polignac number, because 1110121322121 - 2¹⁹ = 1110120797833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110121322094 and 1110121322103.

It is not an unprimeable number, because it can be changed into a prime (1110121372121) 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, 2936828706 + ... + 2936829083.

It is an arithmetic number, because the mean of its divisors is an integer number (117473155800).

Almost surely, 2^{1110121322121} is an apocalyptic number.

It is an amenable number.

1110121322121 is a deficient number, since it is larger than the sum of its proper divisors (769449170679).

1110121322121 is an equidigital number, since it uses as much as digits as its factorization.

1110121322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873657805 (or 5873657799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1110121322121 its reverse (1212231210111), we get a palindrome (2322352532232).

The spelling of 1110121322121 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-one".