21220010211202 has 32 divisors (see below), whose sum is σ = 35071901204544. Its totient is φ = 9548747832000.

The previous prime is 21220010211181. The next prime is 21220010211223. The reversal of 21220010211202 is 20211201002212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21220010211181) and next prime (21220010211223).

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, 17025213 + ... + 18229039.

It is an arithmetic number, because the mean of its divisors is an integer number (1095996912642).

Almost surely, 2^{21220010211202} is an apocalyptic number.

21220010211202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21220010211202 is a deficient number, since it is larger than the sum of its proper divisors (13851890993342).

21220010211202 is a wasteful number, since it uses less digits than its factorization.

21220010211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211874.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21220010211202 its reverse (20211201002212), we get a palindrome (41431211213414).

The spelling of 21220010211202 in words is "twenty-one trillion, two hundred twenty billion, ten million, two hundred eleven thousand, two hundred two".