21220011001022 has 8 divisors (see below), whose sum is σ = 32145165180072. Its totient is φ = 10504955941000.

The previous prime is 21220011001009. The next prime is 21220011001037. The reversal of 21220011001022 is 22010011002212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21220011000988 and 21220011001006.

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, 52524779504 + ... + 52524779907.

It is an arithmetic number, because the mean of its divisors is an integer number (4018145647509).

Almost surely, 2^{21220011001022} is an apocalyptic number.

21220011001022 is a deficient number, since it is larger than the sum of its proper divisors (10925154179050).

21220011001022 is a wasteful number, since it uses less digits than its factorization.

21220011001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105049559514.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21220011001022 its reverse (22010011002212), we get a palindrome (43230022003234).

The spelling of 21220011001022 in words is "twenty-one trillion, two hundred twenty billion, eleven million, one thousand, twenty-two".