21232220001322 has 32 divisors (see below), whose sum is σ = 35241605038080. Its totient is φ = 9513208414320.

The previous prime is 21232220001283. The next prime is 21232220001337. The reversal of 21232220001322 is 22310002223212.

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 = 21232220001293 and 21232220001302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12314922 + ... + 13932757.

It is an arithmetic number, because the mean of its divisors is an integer number (1101300157440).

Almost surely, 2^{21232220001322} is an apocalyptic number.

21232220001322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21232220001322 is a deficient number, since it is larger than the sum of its proper divisors (14009385036758).

21232220001322 is a wasteful number, since it uses less digits than its factorization.

21232220001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26248218.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21232220001322 its reverse (22310002223212), we get a palindrome (43542222224534).

The spelling of 21232220001322 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty million, one thousand, three hundred twenty-two".