201321223024 has 10 divisors (see below), whose sum is σ = 390059869640. Its totient is φ = 100660611504.

The previous prime is 201321223003. The next prime is 201321223027. The reversal of 201321223024 is 420322123102.

It is a junction number, because it is equal to n+sod(n) for n = 201321222986 and 201321223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201321223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6291288204 + ... + 6291288235.

It is an arithmetic number, because the mean of its divisors is an integer number (39005986964).

Almost surely, 2^201321223024 is an apocalyptic number.

It is an amenable number.

201321223024 is a deficient number, since it is larger than the sum of its proper divisors (188738646616).

201321223024 is a wasteful number, since it uses less digits than its factorization.

201321223024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582576447 (or 12582576441 counting only the distinct ones).

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

Adding to 201321223024 its reverse (420322123102), we get a palindrome (621643346126).

The spelling of 201321223024 in words is "two hundred one billion, three hundred twenty-one million, two hundred twenty-three thousand, twenty-four".