21022010100222 has 16 divisors (see below), whose sum is σ = 42081931864080. Its totient is φ = 7001018089472.

The previous prime is 21022010100149. The next prime is 21022010100233. The reversal of 21022010100222 is 22200101022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579645443 + ... + 1579658750.

It is an arithmetic number, because the mean of its divisors is an integer number (2630120741505).

Almost surely, 2^{21022010100222} is an apocalyptic number.

21022010100222 is an abundant number, since it is smaller than the sum of its proper divisors (21059921763858).

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

21022010100222 is a wasteful number, since it uses less digits than its factorization.

21022010100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159305307.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21022010100222 its reverse (22200101022012), we get a palindrome (43222111122234).

The spelling of 21022010100222 in words is "twenty-one trillion, twenty-two billion, ten million, one hundred thousand, two hundred twenty-two".