1302233310021 has 16 divisors (see below), whose sum is σ = 2101082315904. Its totient is φ = 700360771584.

The previous prime is 1302233309969. The next prime is 1302233310023. The reversal of 1302233310021 is 1200133322031.

It is not a de Polignac number, because 1302233310021 - 2¹⁴ = 1302233293637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1302233310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302233310023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823855820 + ... + 1823856533.

It is an arithmetic number, because the mean of its divisors is an integer number (131317644744).

Almost surely, 2^{1302233310021} is an apocalyptic number.

It is an amenable number.

1302233310021 is a deficient number, since it is larger than the sum of its proper divisors (798849005883).

1302233310021 is a wasteful number, since it uses less digits than its factorization.

1302233310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647712380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1302233310021 its reverse (1200133322031), we get a palindrome (2502366632052).

The spelling of 1302233310021 in words is "one trillion, three hundred two billion, two hundred thirty-three million, three hundred ten thousand, twenty-one".