21022005223010 has 64 divisors (see below), whose sum is σ = 44158380215040. Its totient is φ = 7120524779520.

The previous prime is 21022005222893. The next prime is 21022005223039. The reversal of 21022005223010 is 1032250022012.

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, 57765590 + ... + 58128369.

It is an arithmetic number, because the mean of its divisors is an integer number (689974690860).

Almost surely, 2^{21022005223010} is an apocalyptic number.

21022005223010 is an abundant number, since it is smaller than the sum of its proper divisors (23136374992030).

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

21022005223010 is a wasteful number, since it uses less digits than its factorization.

21022005223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115894091.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 21022005223010 its reverse (1032250022012), we get a palindrome (22054255245022).

The spelling of 21022005223010 in words is "twenty-one trillion, twenty-two billion, five million, two hundred twenty-three thousand, ten".