1100020112123 has 8 divisors (see below), whose sum is σ = 1171162137600. Its totient is φ = 1029593082240.

The previous prime is 1100020112101. The next prime is 1100020112161. The reversal of 1100020112123 is 3212110200011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100020112123 - 2²⁰ = 1100019063547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100020112098 and 1100020112107.

It is not an unprimeable number, because it can be changed into a prime (1100020112623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178745723 + ... + 178751876.

It is an arithmetic number, because the mean of its divisors is an integer number (146395267200).

Almost surely, 2^{1100020112123} is an apocalyptic number.

1100020112123 is a deficient number, since it is larger than the sum of its proper divisors (71142025477).

1100020112123 is a wasteful number, since it uses less digits than its factorization.

1100020112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357497797.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1100020112123 its reverse (3212110200011), we get a palindrome (4312130312134).

The spelling of 1100020112123 in words is "one trillion, one hundred billion, twenty million, one hundred twelve thousand, one hundred twenty-three".