21333021211203 has 16 divisors (see below), whose sum is σ = 32433914602656. Its totient is φ = 12355776990720.

The previous prime is 21333021211171. The next prime is 21333021211213. The reversal of 21333021211203 is 30211212033312.

It is not a de Polignac number, because 21333021211203 - 2⁵ = 21333021211171 is a prime.

It is a super-2 number, since 2×21333021211203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21333021211213) 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, 16088250628 + ... + 16088251953.

It is an arithmetic number, because the mean of its divisors is an integer number (2027119662666).

Almost surely, 2^{21333021211203} is an apocalyptic number.

21333021211203 is a deficient number, since it is larger than the sum of its proper divisors (11100893391453).

21333021211203 is a wasteful number, since it uses less digits than its factorization.

21333021211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32176502614.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21333021211203 its reverse (30211212033312), we get a palindrome (51544233244515).

The spelling of 21333021211203 in words is "twenty-one trillion, three hundred thirty-three billion, twenty-one million, two hundred eleven thousand, two hundred three".