1011102113123 has 4 divisors (see below), whose sum is σ = 1011110317968. Its totient is φ = 1011093908280.

The previous prime is 1011102113093. The next prime is 1011102113141. The reversal of 1011102113123 is 3213112011101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011102113123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011102113023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914711 + ... + 4164992.

It is an arithmetic number, because the mean of its divisors is an integer number (252777579492).

Almost surely, 2^{1011102113123} is an apocalyptic number.

1011102113123 is a deficient number, since it is larger than the sum of its proper divisors (8204845).

1011102113123 is an equidigital number, since it uses as much as digits as its factorization.

1011102113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204844.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1011102113123 its reverse (3213112011101), we get a palindrome (4224214124224).

The spelling of 1011102113123 in words is "one trillion, eleven billion, one hundred two million, one hundred thirteen thousand, one hundred twenty-three".