1113212211123 has 8 divisors (see below), whose sum is σ = 1484517716928. Its totient is φ = 742024089704.

The previous prime is 1113212211119. The next prime is 1113212211263. The reversal of 1113212211123 is 3211122123111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113212211123 - 2² = 1113212211119 is a prime.

It is a super-2 number, since 2×1113212211123² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113212211123.

It is not an unprimeable number, because it can be changed into a prime (1113212211103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29323965 + ... + 29361902.

It is an arithmetic number, because the mean of its divisors is an integer number (185564714616).

Almost surely, 2^{1113212211123} is an apocalyptic number.

1113212211123 is a deficient number, since it is larger than the sum of its proper divisors (371305505805).

1113212211123 is an equidigital number, since it uses as much as digits as its factorization.

1113212211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58692193.

The product of its digits is 144, while the sum is 21.

Adding to 1113212211123 its reverse (3211122123111), we get a palindrome (4324334334234).

The spelling of 1113212211123 in words is "one trillion, one hundred thirteen billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-three".