11223121310 has 8 divisors (see below), whose sum is σ = 20201618376. Its totient is φ = 4489248520.

The previous prime is 11223121309. The next prime is 11223121337. The reversal of 11223121310 is 1312132211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11223121310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561156056 + ... + 561156075.

It is an arithmetic number, because the mean of its divisors is an integer number (2525202297).

Almost surely, 2^11223121310 is an apocalyptic number.

11223121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11223121310 is a deficient number, since it is larger than the sum of its proper divisors (8978497066).

11223121310 is a wasteful number, since it uses less digits than its factorization.

11223121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122312138.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11223121310 its reverse (1312132211), we get a palindrome (12535253521).

The spelling of 11223121310 in words is "eleven billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred ten".