21023211022 has 8 divisors (see below), whose sum is σ = 34401618072. Its totient is φ = 9556005000.

The previous prime is 21023210987. The next prime is 21023211073. The reversal of 21023211022 is 22011232012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21023210987 and 21023211005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477800229 + ... + 477800272.

It is an arithmetic number, because the mean of its divisors is an integer number (4300202259).

Almost surely, 2^21023211022 is an apocalyptic number.

21023211022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21023211022 is a deficient number, since it is larger than the sum of its proper divisors (13378407050).

21023211022 is a wasteful number, since it uses less digits than its factorization.

21023211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955600514.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21023211022 its reverse (22011232012), we get a palindrome (43034443034).

It can be divided in two parts, 210 and 23211022, that added together give a palindrome (23211232).

The spelling of 21023211022 in words is "twenty-one billion, twenty-three million, two hundred eleven thousand, twenty-two".