21014345022 has 32 divisors (see below), whose sum is σ = 46303449984. Its totient is φ = 6304932000.

The previous prime is 21014345003. The next prime is 21014345029. The reversal of 21014345022 is 22054341012.

It is a junction number, because it is equal to n+sod(n) for n = 21014344983 and 21014345001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014345029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1569568 + ... + 1582899.

It is an arithmetic number, because the mean of its divisors is an integer number (1446982812).

Almost surely, 2^21014345022 is an apocalyptic number.

21014345022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21014345022 is an abundant number, since it is smaller than the sum of its proper divisors (25289104962).

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

21014345022 is a wasteful number, since it uses less digits than its factorization.

21014345022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152584.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 21014345022 its reverse (22054341012), we get a palindrome (43068686034).

The spelling of 21014345022 in words is "twenty-one billion, fourteen million, three hundred forty-five thousand, twenty-two".