10211103111123 has 12 divisors (see below), whose sum is σ = 14749923319560. Its totient is φ = 6807147231456.

The previous prime is 10211103111107. The next prime is 10211103111151. The reversal of 10211103111123 is 32111130111201.

10211103111123 is a `hidden beast` number, since 10 + 211 + 10 + 311 + 1 + 123 = 666.

It is not a de Polignac number, because 10211103111123 - 2⁴ = 10211103111107 is a prime.

It is a super-2 number, since 2×10211103111123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10211103111096 and 10211103111105.

It is not an unprimeable number, because it can be changed into a prime (10211103111023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20982961 + ... + 21464082.

It is an arithmetic number, because the mean of its divisors is an integer number (1229160276630).

Almost surely, 2^{10211103111123} is an apocalyptic number.

10211103111123 is a deficient number, since it is larger than the sum of its proper divisors (4538820208437).

10211103111123 is a wasteful number, since it uses less digits than its factorization.

10211103111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42473778 (or 42473775 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 10211103111123 its reverse (32111130111201), we get a palindrome (42322233222324).

The spelling of 10211103111123 in words is "ten trillion, two hundred eleven billion, one hundred three million, one hundred eleven thousand, one hundred twenty-three".