1030111112123 has 16 divisors (see below), whose sum is σ = 1048613936832. Its totient is φ = 1011726576000.

The previous prime is 1030111112077. The next prime is 1030111112143. The reversal of 1030111112123 is 3212111110301.

It is a cyclic number.

It is not a de Polignac number, because 1030111112123 - 2⁶ = 1030111112059 is a prime.

It is a super-4 number, since 4×1030111112123⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030111112143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20038433 + ... + 20089773.

It is an arithmetic number, because the mean of its divisors is an integer number (65538371052).

Almost surely, 2^{1030111112123} is an apocalyptic number.

1030111112123 is a deficient number, since it is larger than the sum of its proper divisors (18502824709).

1030111112123 is an equidigital number, since it uses as much as digits as its factorization.

1030111112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52486.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1030111112123 its reverse (3212111110301), we get a palindrome (4242222222424).

The spelling of 1030111112123 in words is "one trillion, thirty billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-three".