21013413322 has 16 divisors (see below), whose sum is σ = 34390089792. Its totient is φ = 9550300320.

The previous prime is 21013413313. The next prime is 21013413401. The reversal of 21013413322 is 22331431012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21013413293 and 21013413302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121198 + ... + 238150.

It is an arithmetic number, because the mean of its divisors is an integer number (2149380612).

Almost surely, 2^21013413322 is an apocalyptic number.

21013413322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21013413322 is a deficient number, since it is larger than the sum of its proper divisors (13376676470).

21013413322 is a wasteful number, since it uses less digits than its factorization.

21013413322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125133.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21013413322 its reverse (22331431012), we get a palindrome (43344844334).

The spelling of 21013413322 in words is "twenty-one billion, thirteen million, four hundred thirteen thousand, three hundred twenty-two".