21030302021322 has 64 divisors (see below), whose sum is σ = 47105386973568. Its totient is φ = 6203897088000.

The previous prime is 21030302021263. The next prime is 21030302021341. The reversal of 21030302021322 is 22312020303012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7181743 + ... + 9676674.

It is an arithmetic number, because the mean of its divisors is an integer number (736021671462).

Almost surely, 2^{21030302021322} is an apocalyptic number.

21030302021322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21030302021322 is an abundant number, since it is smaller than the sum of its proper divisors (26075084952246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030302021322 is a wasteful number, since it uses less digits than its factorization.

21030302021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16858935.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21030302021322 its reverse (22312020303012), we get a palindrome (43342322324334).

The spelling of 21030302021322 in words is "twenty-one trillion, thirty billion, three hundred two million, twenty-one thousand, three hundred twenty-two".