21110121202022 has 8 divisors (see below), whose sum is σ = 31711006959672. Its totient is φ = 10539785548800.

The previous prime is 21110121202003. The next prime is 21110121202031. The reversal of 21110121202022 is 22020212101112.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7637524379 + ... + 7637527142.

It is an arithmetic number, because the mean of its divisors is an integer number (3963875869959).

Almost surely, 2^{21110121202022} is an apocalyptic number.

21110121202022 is a deficient number, since it is larger than the sum of its proper divisors (10600885757650).

21110121202022 is a wasteful number, since it uses less digits than its factorization.

21110121202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275052214.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21110121202022 its reverse (22020212101112), we get a palindrome (43130333303134).

The spelling of 21110121202022 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-one million, two hundred two thousand, twenty-two".