1021120223323 has 4 divisors (see below), whose sum is σ = 1028466412120. Its totient is φ = 1013774034528.

The previous prime is 1021120223317. The next prime is 1021120223339. The reversal of 1021120223323 is 3233220211201.

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 1021120223323 - 2²⁵ = 1021086668891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021120223294 and 1021120223303.

It is not an unprimeable number, because it can be changed into a prime (1021120221323) 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, 3673094190 + ... + 3673094467.

It is an arithmetic number, because the mean of its divisors is an integer number (257116603030).

Almost surely, 2^{1021120223323} is an apocalyptic number.

1021120223323 is a deficient number, since it is larger than the sum of its proper divisors (7346188797).

1021120223323 is an equidigital number, since it uses as much as digits as its factorization.

1021120223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346188796.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1021120223323 its reverse (3233220211201), we get a palindrome (4254340434524).

The spelling of 1021120223323 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred twenty-three thousand, three hundred twenty-three".