21022210122022 has 8 divisors (see below), whose sum is σ = 32204236782816. Its totient is φ = 10287464527752.

The previous prime is 21022210122007. The next prime is 21022210122031. The reversal of 21022210122022 is 22022101222012.

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, 111820266513 + ... + 111820266700.

It is an arithmetic number, because the mean of its divisors is an integer number (4025529597852).

Almost surely, 2^{21022210122022} is an apocalyptic number.

21022210122022 is a deficient number, since it is larger than the sum of its proper divisors (11182026660794).

21022210122022 is a wasteful number, since it uses less digits than its factorization.

21022210122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223640533262.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21022210122022 its reverse (22022101222012), we get a palindrome (43044311344034).

The spelling of 21022210122022 in words is "twenty-one trillion, twenty-two billion, two hundred ten million, one hundred twenty-two thousand, twenty-two".