21213602033414 has 32 divisors (see below), whose sum is σ = 38507162987520. Its totient is φ = 8556346747008.

The previous prime is 21213602033381. The next prime is 21213602033489. The reversal of 21213602033414 is 41433020631212.

It is a super-2 number, since 2×21213602033414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3039797 + ... + 7188015.

It is an arithmetic number, because the mean of its divisors is an integer number (1203348843360).

Almost surely, 2^{21213602033414} is an apocalyptic number.

21213602033414 is a deficient number, since it is larger than the sum of its proper divisors (17293560954106).

21213602033414 is a wasteful number, since it uses less digits than its factorization.

21213602033414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169732.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 21213602033414 its reverse (41433020631212), we get a palindrome (62646622664626).

The spelling of 21213602033414 in words is "twenty-one trillion, two hundred thirteen billion, six hundred two million, thirty-three thousand, four hundred fourteen".