1022121020323 has 4 divisors (see below), whose sum is σ = 1100745714208. Its totient is φ = 943496326440.

The previous prime is 1022121020227. The next prime is 1022121020359. The reversal of 1022121020323 is 3230201212201.

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 1022121020323 - 2¹³ = 1022121012131 is a prime.

It is a super-2 number, since 2×1022121020323² (a number of 25 digits) contains 22 as substring.

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 1022121020323.

It is not an unprimeable number, because it can be changed into a prime (1022121021323) 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, 39312346923 + ... + 39312346948.

It is an arithmetic number, because the mean of its divisors is an integer number (275186428552).

Almost surely, 2^{1022121020323} is an apocalyptic number.

1022121020323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1022121020323 is a deficient number, since it is larger than the sum of its proper divisors (78624693885).

1022121020323 is an equidigital number, since it uses as much as digits as its factorization.

1022121020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78624693884.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1022121020323 its reverse (3230201212201), we get a palindrome (4252322232524).

The spelling of 1022121020323 in words is "one trillion, twenty-two billion, one hundred twenty-one million, twenty thousand, three hundred twenty-three".