21120002242244 has 24 divisors (see below), whose sum is σ = 37959136524288. Its totient is φ = 10274537875680.

The previous prime is 21120002242231. The next prime is 21120002242259. The reversal of 21120002242244 is 44224220002112.

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, 39035837 + ... + 39573179.

It is an arithmetic number, because the mean of its divisors is an integer number (1581630688512).

Almost surely, 2^{21120002242244} is an apocalyptic number.

It is an amenable number.

21120002242244 is a deficient number, since it is larger than the sum of its proper divisors (16839134282044).

21120002242244 is a wasteful number, since it uses less digits than its factorization.

21120002242244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802955 (or 802953 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 21120002242244 its reverse (44224220002112), we get a palindrome (65344222244356).

The spelling of 21120002242244 in words is "twenty-one trillion, one hundred twenty billion, two million, two hundred forty-two thousand, two hundred forty-four".