1103212110123 has 24 divisors (see below), whose sum is σ = 1599679391648. Its totient is φ = 732637239552.

The previous prime is 1103212110101. The next prime is 1103212110127. The reversal of 1103212110123 is 3210112123011.

1103212110123 is a `hidden beast` number, since 1 + 10 + 321 + 211 + 0 + 123 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1103212110123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103212110096 and 1103212110105.

It is not an unprimeable number, because it can be changed into a prime (1103212110127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10360290 + ... + 10466232.

Almost surely, 2^{1103212110123} is an apocalyptic number.

1103212110123 is a deficient number, since it is larger than the sum of its proper divisors (496467281525).

1103212110123 is a wasteful number, since it uses less digits than its factorization.

1103212110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110403 (or 110400 counting only the distinct ones).

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

Adding to 1103212110123 its reverse (3210112123011), we get a palindrome (4313324233134).

The spelling of 1103212110123 in words is "one trillion, one hundred three billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-three".