1020302121223 has 32 divisors (see below), whose sum is σ = 1292222430720. Its totient is φ = 782463749760.

The previous prime is 1020302121221. The next prime is 1020302121283. The reversal of 1020302121223 is 3221212030201.

It is not a de Polignac number, because 1020302121223 - 2¹ = 1020302121221 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 1020302121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020302121221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5632165 + ... + 5810497.

It is an arithmetic number, because the mean of its divisors is an integer number (40381950960).

Almost surely, 2^{1020302121223} is an apocalyptic number.

1020302121223 is a deficient number, since it is larger than the sum of its proper divisors (271920309497).

1020302121223 is a wasteful number, since it uses less digits than its factorization.

1020302121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179527.

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

Adding to 1020302121223 its reverse (3221212030201), we get a palindrome (4241514151424).

The spelling of 1020302121223 in words is "one trillion, twenty billion, three hundred two million, one hundred twenty-one thousand, two hundred twenty-three".