21201301310 has 64 divisors (see below), whose sum is σ = 45435479040. Its totient is φ = 6971470080.

The previous prime is 21201301283. The next prime is 21201301313. The reversal of 21201301310 is 1310310212.

It is a super-2 number, since 2×21201301310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21201301313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106727 + ... + 231933.

It is an arithmetic number, because the mean of its divisors is an integer number (709929360).

Almost surely, 2^21201301310 is an apocalyptic number.

21201301310 is an abundant number, since it is smaller than the sum of its proper divisors (24234177730).

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

21201301310 is a wasteful number, since it uses less digits than its factorization.

21201301310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125321.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21201301310 its reverse (1310310212), we get a palindrome (22511611522).

The spelling of 21201301310 in words is "twenty-one billion, two hundred one million, three hundred one thousand, three hundred ten".