10111200123 has 16 divisors (see below), whose sum is σ = 13955010560. Its totient is φ = 6506964576.

The previous prime is 10111200101. The next prime is 10111200139. The reversal of 10111200123 is 32100211101.

It is not a de Polignac number, because 10111200123 - 2¹³ = 10111191931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111200099 and 10111200108.

It is not an unprimeable number, because it can be changed into a prime (10111204123) 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, 344533 + ... + 372726.

It is an arithmetic number, because the mean of its divisors is an integer number (872188160).

Almost surely, 2^10111200123 is an apocalyptic number.

10111200123 is a deficient number, since it is larger than the sum of its proper divisors (3843810437).

10111200123 is a wasteful number, since it uses less digits than its factorization.

10111200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717426.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10111200123 its reverse (32100211101), we get a palindrome (42211411224).

The spelling of 10111200123 in words is "ten billion, one hundred eleven million, two hundred thousand, one hundred twenty-three".