1021102330123 has 4 divisors (see below), whose sum is σ = 1026285590880. Its totient is φ = 1015919069368.

The previous prime is 1021102330111. The next prime is 1021102330139. The reversal of 1021102330123 is 3210332011201.

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-1021102330123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021102330123.

It is not an unprimeable number, because it can be changed into a prime (1021102334123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591630083 + ... + 2591630476.

It is an arithmetic number, because the mean of its divisors is an integer number (256571397720).

Almost surely, 2^{1021102330123} is an apocalyptic number.

1021102330123 is a deficient number, since it is larger than the sum of its proper divisors (5183260757).

1021102330123 is an equidigital number, since it uses as much as digits as its factorization.

1021102330123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183260756.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1021102330123 its reverse (3210332011201), we get a palindrome (4231434341324).

The spelling of 1021102330123 in words is "one trillion, twenty-one billion, one hundred two million, three hundred thirty thousand, one hundred twenty-three".