201321022 has 32 divisors (see below), whose sum is σ = 354078720. Its totient is φ = 84058560.

The previous prime is 201321013. The next prime is 201321023. The reversal of 201321022 is 220123102.

It is a junction number, because it is equal to n+sod(n) for n = 201320993 and 201321011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201321023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177754 + ... + 178882.

It is an arithmetic number, because the mean of its divisors is an integer number (11064960).

Almost surely, 2^201321022 is an apocalyptic number.

201321022 is a deficient number, since it is larger than the sum of its proper divisors (152757698).

201321022 is a wasteful number, since it uses less digits than its factorization.

201321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201321022 is about 14188.7639348888. The cubic root of 201321022 is about 586.0882870858.

Adding to 201321022 its reverse (220123102), we get a palindrome (421444124).

The spelling of 201321022 in words is "two hundred one million, three hundred twenty-one thousand, twenty-two".