21220411310 has 32 divisors (see below), whose sum is σ = 44833245120. Its totient is φ = 7078931712.

The previous prime is 21220411253. The next prime is 21220411337. The reversal of 21220411310 is 1311402212.

It is a super-2 number, since 2×21220411310² (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 15 ways as a sum of consecutive naturals, for example, 4094015 + ... + 4099194.

It is an arithmetic number, because the mean of its divisors is an integer number (1401038910).

Almost surely, 2^21220411310 is an apocalyptic number.

21220411310 is an abundant number, since it is smaller than the sum of its proper divisors (23612833810).

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

21220411310 is a wasteful number, since it uses less digits than its factorization.

21220411310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193260.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21220411310 its reverse (1311402212), we get a palindrome (22531813522).

The spelling of 21220411310 in words is "twenty-one billion, two hundred twenty million, four hundred eleven thousand, three hundred ten".