21223311322000 has 80 divisors (see below), whose sum is σ = 51320242651392. Its totient is φ = 8488948041600.

The previous prime is 21223311321911. The next prime is 21223311322027. The reversal of 21223311322000 is 22311332212.

It is a tau number, because it is divible by the number of its divisors (80).

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, 47270569 + ... + 47717431.

Almost surely, 2^{21223311322000} is an apocalyptic number.

21223311322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223311322000 is an abundant number, since it is smaller than the sum of its proper divisors (30096931329392).

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

21223311322000 is a wasteful number, since it uses less digits than its factorization.

21223311322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470633 (or 470617 counting only the distinct ones).

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

Adding to 21223311322000 its reverse (22311332212), we get a palindrome (21245622654212).

The spelling of 21223311322000 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred eleven million, three hundred twenty-two thousand".