21441120022 has 16 divisors (see below), whose sum is σ = 37506333600. Its totient is φ = 9189051144.

The previous prime is 21441120013. The next prime is 21441120049. The reversal of 21441120022 is 22002114412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15626953 + ... + 15628324.

It is an arithmetic number, because the mean of its divisors is an integer number (2344145850).

Almost surely, 2^21441120022 is an apocalyptic number.

21441120022 is a deficient number, since it is larger than the sum of its proper divisors (16065213578).

21441120022 is an equidigital number, since it uses as much as digits as its factorization.

21441120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31255300 (or 31255286 counting only the distinct ones).

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

Adding to 21441120022 its reverse (22002114412), we get a palindrome (43443234434).

The spelling of 21441120022 in words is "twenty-one billion, four hundred forty-one million, one hundred twenty thousand, twenty-two".