21441121203102 has 32 divisors (see below), whose sum is σ = 44060598780192. Its totient is φ = 6950817644544.

The previous prime is 21441121203041. The next prime is 21441121203133. The reversal of 21441121203102 is 20130212114412.

It is a super-2 number, since 2×21441121203102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20740803 + ... + 21750014.

It is an arithmetic number, because the mean of its divisors is an integer number (1376893711881).

Almost surely, 2^{21441121203102} is an apocalyptic number.

21441121203102 is an abundant number, since it is smaller than the sum of its proper divisors (22619477577090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21441121203102 is a wasteful number, since it uses less digits than its factorization.

21441121203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42493132.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 21441121203102 its reverse (20130212114412), we get a palindrome (41571333317514).

The spelling of 21441121203102 in words is "twenty-one trillion, four hundred forty-one billion, one hundred twenty-one million, two hundred three thousand, one hundred two".