1102321112123 has 12 divisors (see below), whose sum is σ = 1398863898072. Its totient is φ = 858951515520.

The previous prime is 1102321112119. The next prime is 1102321112209. The reversal of 1102321112123 is 3212111232011.

It is not a de Polignac number, because 1102321112123 - 2² = 1102321112119 is a prime.

It is a super-2 number, since 2×1102321112123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102321112095 and 1102321112104.

It is not an unprimeable number, because it can be changed into a prime (1102321112423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1022560790 + ... + 1022561867.

It is an arithmetic number, because the mean of its divisors is an integer number (116571991506).

Almost surely, 2^{1102321112123} is an apocalyptic number.

1102321112123 is a deficient number, since it is larger than the sum of its proper divisors (296542785949).

1102321112123 is a wasteful number, since it uses less digits than its factorization.

1102321112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045122682 (or 2045122675 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1102321112123 its reverse (3212111232011), we get a palindrome (4314432344134).

The spelling of 1102321112123 in words is "one trillion, one hundred two billion, three hundred twenty-one million, one hundred twelve thousand, one hundred twenty-three".