21022301022 has 16 divisors (see below), whose sum is σ = 42050711952. Its totient is φ = 7006415360.

The previous prime is 21022301011. The next prime is 21022301039. The reversal of 21022301022 is 22010322012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21022300992 and 21022301010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209229 + ... + 292952.

It is an arithmetic number, because the mean of its divisors is an integer number (2628169497).

Almost surely, 2^21022301022 is an apocalyptic number.

21022301022 is an abundant number, since it is smaller than the sum of its proper divisors (21028410930).

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

21022301022 is a wasteful number, since it uses less digits than its factorization.

21022301022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509163.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21022301022 its reverse (22010322012), we get a palindrome (43032623034).

The spelling of 21022301022 in words is "twenty-one billion, twenty-two million, three hundred one thousand, twenty-two".