21333343333234 has 32 divisors (see below), whose sum is σ = 32230182216960. Its totient is φ = 10590274800000.

The previous prime is 21333343333219. The next prime is 21333343333241. The reversal of 21333343333234 is 43233334333312.

It is a super-2 number, since 2×21333343333234² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200178967 + ... + 200285509.

It is an arithmetic number, because the mean of its divisors is an integer number (1007193194280).

Almost surely, 2^{21333343333234} is an apocalyptic number.

21333343333234 is a deficient number, since it is larger than the sum of its proper divisors (10896838883726).

21333343333234 is a wasteful number, since it uses less digits than its factorization.

21333343333234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108066.

The product of its digits is 1259712, while the sum is 40.

Adding to 21333343333234 its reverse (43233334333312), we get a palindrome (64566677666546).

The spelling of 21333343333234 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred forty-three million, three hundred thirty-three thousand, two hundred thirty-four".