21241222310 has 64 divisors (see below), whose sum is σ = 47772370944. Its totient is φ = 6606230400.

The previous prime is 21241222309. The next prime is 21241222333. The reversal of 21241222310 is 1322214212.

It is a super-2 number, since 2×21241222310² (a number of 21 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 31 ways as a sum of consecutive naturals, for example, 326720 + ... + 386300.

It is an arithmetic number, because the mean of its divisors is an integer number (746443296).

Almost surely, 2^21241222310 is an apocalyptic number.

21241222310 is an abundant number, since it is smaller than the sum of its proper divisors (26531148634).

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

21241222310 is a wasteful number, since it uses less digits than its factorization.

21241222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60069.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21241222310 its reverse (1322214212), we get a palindrome (22563436522).

The spelling of 21241222310 in words is "twenty-one billion, two hundred forty-one million, two hundred twenty-two thousand, three hundred ten".