1021110201323 has 4 divisors (see below), whose sum is σ = 1021255686360. Its totient is φ = 1020964716288.

The previous prime is 1021110201311. The next prime is 1021110201347. The reversal of 1021110201323 is 3231020111201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021110201323 - 2³² = 1016815234027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021110206323) 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, 72731990 + ... + 72746027.

It is an arithmetic number, because the mean of its divisors is an integer number (255313921590).

Almost surely, 2^{1021110201323} is an apocalyptic number.

1021110201323 is a deficient number, since it is larger than the sum of its proper divisors (145485037).

1021110201323 is an equidigital number, since it uses as much as digits as its factorization.

1021110201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145485036.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021110201323 its reverse (3231020111201), we get a palindrome (4252130312524).

The spelling of 1021110201323 in words is "one trillion, twenty-one billion, one hundred ten million, two hundred one thousand, three hundred twenty-three".