21330223031102 has 16 divisors (see below), whose sum is σ = 32816832510672. Its totient is φ = 10391931622080.

The previous prime is 21330223031101. The next prime is 21330223031129. The reversal of 21330223031102 is 20113032203312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330223031101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163124528 + ... + 163255235.

It is an arithmetic number, because the mean of its divisors is an integer number (2051052031917).

Almost surely, 2^{21330223031102} is an apocalyptic number.

21330223031102 is a deficient number, since it is larger than the sum of its proper divisors (11486609479570).

21330223031102 is a wasteful number, since it uses less digits than its factorization.

21330223031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326380603.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21330223031102 its reverse (20113032203312), we get a palindrome (41443255234414).

The spelling of 21330223031102 in words is "twenty-one trillion, three hundred thirty billion, two hundred twenty-three million, thirty-one thousand, one hundred two".