112030001221 has 4 divisors (see below), whose sum is σ = 112030763500. Its totient is φ = 112029238944.

The previous prime is 112030001197. The next prime is 112030001231. The reversal of 112030001221 is 122100030211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 122100030211 = 3943 ⋅30966277.

It can be written as a sum of positive squares in 2 ways, for example, as 55333152900 + 56696848321 = 235230^2 + 238111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112030001221 is a prime.

It is a super-2 number, since 2×112030001221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112030001231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82896 + ... + 480553.

It is an arithmetic number, because the mean of its divisors is an integer number (28007690875).

Almost surely, 2^112030001221 is an apocalyptic number.

It is an amenable number.

112030001221 is a deficient number, since it is larger than the sum of its proper divisors (762279).

112030001221 is an equidigital number, since it uses as much as digits as its factorization.

112030001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762278.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 112030001221 its reverse (122100030211), we get a palindrome (234130031432).

The spelling of 112030001221 in words is "one hundred twelve billion, thirty million, one thousand, two hundred twenty-one".