1223010103221 has 12 divisors (see below), whose sum is σ = 1766628479148. Its totient is φ = 815313147264.

The previous prime is 1223010103193. The next prime is 1223010103247.

1223010103221 is a `hidden beast` number, since 12 + 230 + 101 + 0 + 322 + 1 = 666.

1223010103221 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 699630200721 + 523379902500 = 836439^2 + 723450^2 .

It is not a de Polignac number, because 1223010103221 - 2⁶ = 1223010103157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223010103194 and 1223010103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223010102221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953780 + ... + 2502653.

It is an arithmetic number, because the mean of its divisors is an integer number (147219039929).

Almost surely, 2^{1223010103221} is an apocalyptic number.

It is an amenable number.

1223010103221 is a deficient number, since it is larger than the sum of its proper divisors (543618375927).

1223010103221 is a wasteful number, since it uses less digits than its factorization.

1223010103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486932 (or 4486929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 1223010 and 103221, that added together give a palindrome (1326231).

The spelling of 1223010103221 in words is "one trillion, two hundred twenty-three billion, ten million, one hundred three thousand, two hundred twenty-one".