1122001111123 has 8 divisors (see below), whose sum is σ = 1160702607600. Its totient is φ = 1083300401568.

The previous prime is 1122001111111. The next prime is 1122001111141. The reversal of 1122001111123 is 3211111002211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122001111123 is a prime.

It is a super-2 number, since 2×1122001111123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122001111097 and 1122001111106.

It is not an unprimeable number, because it can be changed into a prime (1122001111163) 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, 5525665 + ... + 5725117.

It is an arithmetic number, because the mean of its divisors is an integer number (145087825950).

Almost surely, 2^{1122001111123} is an apocalyptic number.

1122001111123 is a deficient number, since it is larger than the sum of its proper divisors (38701496477).

1122001111123 is a wasteful number, since it uses less digits than its factorization.

1122001111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393461.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1122001111123 its reverse (3211111002211), we get a palindrome (4333112113334).

The spelling of 1122001111123 in words is "one trillion, one hundred twenty-two billion, one million, one hundred eleven thousand, one hundred twenty-three".