21000110001022 has 32 divisors (see below), whose sum is σ = 32902123484160. Its totient is φ = 10033638220320.

The previous prime is 21000110001011. The next prime is 21000110001067. The reversal of 21000110001022 is 22010001100012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330715108 + ... + 330778600.

It is an arithmetic number, because the mean of its divisors is an integer number (1028191358880).

Almost surely, 2^{21000110001022} is an apocalyptic number.

21000110001022 is a deficient number, since it is larger than the sum of its proper divisors (11902013483138).

21000110001022 is a wasteful number, since it uses less digits than its factorization.

21000110001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70488.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21000110001022 its reverse (22010001100012), we get a palindrome (43010111101034).

The spelling of 21000110001022 in words is "twenty-one trillion, one hundred ten million, one thousand, twenty-two".