21211002010022 has 32 divisors (see below), whose sum is σ = 34742906601984. Its totient is φ = 9631923004000.

The previous prime is 21211002010019. The next prime is 21211002010027. The reversal of 21211002010022 is 22001020011212.

It is a junction number, because it is equal to n+sod(n) for n = 21211002009979 and 21211002010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21211002010027) by changing a digit.

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, 488137397 + ... + 488180847.

It is an arithmetic number, because the mean of its divisors is an integer number (1085715831312).

Almost surely, 2^{21211002010022} is an apocalyptic number.

21211002010022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21211002010022 is a deficient number, since it is larger than the sum of its proper divisors (13531904591962).

21211002010022 is a wasteful number, since it uses less digits than its factorization.

21211002010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64684.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21211002010022 its reverse (22001020011212), we get a palindrome (43212022021234).

The spelling of 21211002010022 in words is "twenty-one trillion, two hundred eleven billion, two million, ten thousand, twenty-two".