21102200010022 has 8 divisors (see below), whose sum is σ = 32086906864776. Its totient is φ = 10406564388432.

The previous prime is 21102200010007. The next prime is 21102200010083. The reversal of 21102200010022 is 22001000220112.

It is a happy number.

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 = 21102200009984 and 21102200010011.

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, 72267808108 + ... + 72267808399.

It is an arithmetic number, because the mean of its divisors is an integer number (4010863358097).

Almost surely, 2^{21102200010022} is an apocalyptic number.

21102200010022 is a deficient number, since it is larger than the sum of its proper divisors (10984706854754).

21102200010022 is a wasteful number, since it uses less digits than its factorization.

21102200010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144535616582.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21102200010022 its reverse (22001000220112), we get a palindrome (43103200230134).

The spelling of 21102200010022 in words is "twenty-one trillion, one hundred two billion, two hundred million, ten thousand, twenty-two".