21202110102022 has 8 divisors (see below), whose sum is σ = 32542773645096. Its totient is φ = 10354518886992.

The previous prime is 21202110101999. The next prime is 21202110102031. The reversal of 21202110102022 is 22020101120212.

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 = 21202110101987 and 21202110102005.

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, 123268081903 + ... + 123268082074.

It is an arithmetic number, because the mean of its divisors is an integer number (4067846705637).

Almost surely, 2^{21202110102022} is an apocalyptic number.

21202110102022 is a deficient number, since it is larger than the sum of its proper divisors (11340663543074).

21202110102022 is a wasteful number, since it uses less digits than its factorization.

21202110102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246536164022.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21202110102022 its reverse (22020101120212), we get a palindrome (43222211222234).

The spelling of 21202110102022 in words is "twenty-one trillion, two hundred two billion, one hundred ten million, one hundred two thousand, twenty-two".