1121310103221 has 64 divisors (see below), whose sum is σ = 2080395018240. Its totient is φ = 579886413120.

The previous prime is 1121310103189. The next prime is 1121310103247. The reversal of 1121310103221 is 1223010131211.

1121310103221 is a `hidden beast` number, since 1 + 1 + 21 + 310 + 10 + 322 + 1 = 666.

It is not a de Polignac number, because 1121310103221 - 2⁵ = 1121310103189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121310103194 and 1121310103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121310103261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 745690 + ... + 1672923.

It is an arithmetic number, because the mean of its divisors is an integer number (32506172160).

Almost surely, 2^{1121310103221} is an apocalyptic number.

1121310103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121310103221 is a deficient number, since it is larger than the sum of its proper divisors (959084915019).

1121310103221 is a wasteful number, since it uses less digits than its factorization.

1121310103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418863 (or 2418857 counting only the distinct ones).

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

Adding to 1121310103221 its reverse (1223010131211), we get a palindrome (2344320234432).

The spelling of 1121310103221 in words is "one trillion, one hundred twenty-one billion, three hundred ten million, one hundred three thousand, two hundred twenty-one".