11330112223221 has 24 divisors (see below), whose sum is σ = 17478961016160. Its totient is φ = 6505327588320.

The previous prime is 11330112223211. The next prime is 11330112223253. The reversal of 11330112223221 is 12232221103311.

It is a de Polignac number, because none of the positive numbers 2^k-11330112223221 is a prime.

It is a super-2 number, since 2×11330112223221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11330112223191 and 11330112223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330112223211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821372850 + ... + 821386643.

It is an arithmetic number, because the mean of its divisors is an integer number (728290042340).

Almost surely, 2^{11330112223221} is an apocalyptic number.

11330112223221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11330112223221 is a deficient number, since it is larger than the sum of its proper divisors (6148848792939).

11330112223221 is a wasteful number, since it uses less digits than its factorization.

11330112223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642759537 (or 1642759526 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11330112223221 its reverse (12232221103311), we get a palindrome (23562333326532).

The spelling of 11330112223221 in words is "eleven trillion, three hundred thirty billion, one hundred twelve million, two hundred twenty-three thousand, two hundred twenty-one".