11123020101123 has 96 divisors (see below), whose sum is σ = 19353518438400. Its totient is φ = 6294837302208.

The previous prime is 11123020101113. The next prime is 11123020101143. The reversal of 11123020101123 is 32110102032111.

11123020101123 is a `hidden beast` number, since 111 + 230 + 201 + 0 + 1 + 123 = 666.

11123020101123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11123020101123 - 2⁴ = 11123020101107 is a prime.

It is a super-2 number, since 2×11123020101123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11123020101096 and 11123020101105.

It is not an unprimeable number, because it can be changed into a prime (11123020101103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 629512933 + ... + 629530601.

It is an arithmetic number, because the mean of its divisors is an integer number (201599150400).

Almost surely, 2^{11123020101123} is an apocalyptic number.

11123020101123 is a deficient number, since it is larger than the sum of its proper divisors (8230498337277).

11123020101123 is a wasteful number, since it uses less digits than its factorization.

11123020101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246 (or 22233 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11123020101123 its reverse (32110102032111), we get a palindrome (43233122133234).

The spelling of 11123020101123 in words is "eleven trillion, one hundred twenty-three billion, twenty million, one hundred one thousand, one hundred twenty-three".