21010330022 has 16 divisors (see below), whose sum is σ = 36402925392. Its totient is φ = 8988376320.

The previous prime is 21010330021. The next prime is 21010330027. The reversal of 21010330022 is 22003301012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21010329979 and 21010330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010330021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28088303 + ... + 28089050.

It is an arithmetic number, because the mean of its divisors is an integer number (2275182837).

Almost surely, 2^21010330022 is an apocalyptic number.

21010330022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21010330022 is a deficient number, since it is larger than the sum of its proper divisors (15392595370).

21010330022 is a wasteful number, since it uses less digits than its factorization.

21010330022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56177383.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21010330022 its reverse (22003301012), we get a palindrome (43013631034).

The spelling of 21010330022 in words is "twenty-one billion, ten million, three hundred thirty thousand, twenty-two".