21212002333319 has 16 divisors (see below), whose sum is σ = 24298592693760. Its totient is φ = 18139491747360.

The previous prime is 21212002333259. The next prime is 21212002333339. The reversal of 21212002333319 is 91333320021212.

It is a cyclic number.

It is not a de Polignac number, because 21212002333319 - 2⁸ = 21212002333063 is a prime.

It is a super-2 number, since 2×21212002333319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21212002333339) 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, 74756624 + ... + 75039834.

It is an arithmetic number, because the mean of its divisors is an integer number (1518662043360).

Almost surely, 2^{21212002333319} is an apocalyptic number.

21212002333319 is a deficient number, since it is larger than the sum of its proper divisors (3086590360441).

21212002333319 is a wasteful number, since it uses less digits than its factorization.

21212002333319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308030.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 21212002333319 in words is "twenty-one trillion, two hundred twelve billion, two million, three hundred thirty-three thousand, three hundred nineteen".