1113010123221 has 12 divisors (see below), whose sum is σ = 1607694011820. Its totient is φ = 742000876800.

The previous prime is 1113010123219. The next prime is 1113010123237. The reversal of 1113010123221 is 1223210103111.

1113010123221 is a `hidden beast` number, since 111 + 301 + 0 + 1 + 232 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 276690728196 + 836319395025 = 526014^2 + 914505^2 .

It is not a de Polignac number, because 1113010123221 - 2¹ = 1113010123219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113010123194 and 1113010123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113010123721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 926821 + ... + 1756421.

It is an arithmetic number, because the mean of its divisors is an integer number (133974500985).

Almost surely, 2^{1113010123221} is an apocalyptic number.

It is an amenable number.

1113010123221 is a deficient number, since it is larger than the sum of its proper divisors (494683888599).

1113010123221 is a wasteful number, since it uses less digits than its factorization.

1113010123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978676 (or 978673 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1113010123221 its reverse (1223210103111), we get a palindrome (2336220226332).

The spelling of 1113010123221 in words is "one trillion, one hundred thirteen billion, ten million, one hundred twenty-three thousand, two hundred twenty-one".