21214036536022 has 32 divisors (see below), whose sum is σ = 36560026926720. Its totient is φ = 9130455357120.

The previous prime is 21214036535959. The next prime is 21214036536061. The reversal of 21214036536022 is 22063563041212.

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, 12465208 + ... + 14064475.

It is an arithmetic number, because the mean of its divisors is an integer number (1142500841460).

Almost surely, 2^{21214036536022} is an apocalyptic number.

21214036536022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21214036536022 is a deficient number, since it is larger than the sum of its proper divisors (15345990390698).

21214036536022 is a wasteful number, since it uses less digits than its factorization.

21214036536022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26531628.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 21214036536022 its reverse (22063563041212), we get a palindrome (43277599577234).

The spelling of 21214036536022 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-six thousand, twenty-two".