21211010010222 has 16 divisors (see below), whose sum is σ = 43790472279552. Its totient is φ = 6842261293560.

The previous prime is 21211010010193. The next prime is 21211010010241. The reversal of 21211010010222 is 22201001011212.

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 7 ways as a sum of consecutive naturals, for example, 57018843928 + ... + 57018844299.

It is an arithmetic number, because the mean of its divisors is an integer number (2736904517472).

Almost surely, 2^{21211010010222} is an apocalyptic number.

21211010010222 is an abundant number, since it is smaller than the sum of its proper divisors (22579462269330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21211010010222 is a wasteful number, since it uses less digits than its factorization.

21211010010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114037688263.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21211010010222 its reverse (22201001011212), we get a palindrome (43412011021434).

The spelling of 21211010010222 in words is "twenty-one trillion, two hundred eleven billion, ten million, ten thousand, two hundred twenty-two".