1100101323123 has 32 divisors (see below), whose sum is σ = 1778566521600. Its totient is φ = 666493704000.

The previous prime is 1100101323119. The next prime is 1100101323133. The reversal of 1100101323123 is 3213231010011.

It is not a de Polignac number, because 1100101323123 - 2² = 1100101323119 is a prime.

It is a super-2 number, since 2×1100101323123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100101323096 and 1100101323105.

It is not an unprimeable number, because it can be changed into a prime (1100101323133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197143 + ... + 1496351.

It is an arithmetic number, because the mean of its divisors is an integer number (55580203800).

Almost surely, 2^{1100101323123} is an apocalyptic number.

1100101323123 is a deficient number, since it is larger than the sum of its proper divisors (678465198477).

1100101323123 is a wasteful number, since it uses less digits than its factorization.

1100101323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302080 (or 1302074 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100101323123 its reverse (3213231010011), we get a palindrome (4313332333134).

The spelling of 1100101323123 in words is "one trillion, one hundred billion, one hundred one million, three hundred twenty-three thousand, one hundred twenty-three".