1210112110121 has 16 divisors (see below), whose sum is σ = 1286763129600. Its totient is φ = 1134763344000.

The previous prime is 1210112110099. The next prime is 1210112110177.

1210112110121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1210112110121 - 2⁶ = 1210112110057 is a prime.

It is a super-2 number, since 2×1210112110121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210112110096 and 1210112110105.

It is not an unprimeable number, because it can be changed into a prime (1210112116121) 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, 7149056 + ... + 7316366.

It is an arithmetic number, because the mean of its divisors is an integer number (80422695600).

Almost surely, 2^{1210112110121} is an apocalyptic number.

It is an amenable number.

1210112110121 is a deficient number, since it is larger than the sum of its proper divisors (76651019479).

1210112110121 is a wasteful number, since it uses less digits than its factorization.

1210112110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171200.

The product of its (nonzero) digits is 8, while the sum is 14.

The spelling of 1210112110121 in words is "one trillion, two hundred ten billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-one".