21022210201022 has 8 divisors (see below), whose sum is σ = 31665253860000. Its totient is φ = 10467125581024.

The previous prime is 21022210201019. The next prime is 21022210201033. The reversal of 21022210201022 is 22010201222012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21989759147 + ... + 21989760102.

It is an arithmetic number, because the mean of its divisors is an integer number (3958156732500).

Almost surely, 2^{21022210201022} is an apocalyptic number.

21022210201022 is a deficient number, since it is larger than the sum of its proper divisors (10643043658978).

21022210201022 is a wasteful number, since it uses less digits than its factorization.

21022210201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43979519490.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21022210201022 its reverse (22010201222012), we get a palindrome (43032411423034).

The spelling of 21022210201022 in words is "twenty-one trillion, twenty-two billion, two hundred ten million, two hundred one thousand, twenty-two".