21010022210010 has 32 divisors (see below), whose sum is σ = 50588301056832. Its totient is φ = 5584422839040.

The previous prime is 21010022209973. The next prime is 21010022210017. The reversal of 21010022210010 is 1001222001012.

It is a super-2 number, since 2×21010022210010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21010022210017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140600031 + ... + 1140618450.

It is an arithmetic number, because the mean of its divisors is an integer number (1580884408026).

Almost surely, 2^{21010022210010} is an apocalyptic number.

21010022210010 is an abundant number, since it is smaller than the sum of its proper divisors (29578278846822).

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

21010022210010 is a wasteful number, since it uses less digits than its factorization.

21010022210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281218798.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21010022210010 its reverse (1001222001012), we get a palindrome (22011244211022).

The spelling of 21010022210010 in words is "twenty-one trillion, ten billion, twenty-two million, two hundred ten thousand, ten".