201321313022 has 4 divisors (see below), whose sum is σ = 301981969536. Its totient is φ = 100660656510.

The previous prime is 201321312971. The next prime is 201321313033. The reversal of 201321313022 is 220313123102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 201321312985 and 201321313003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330328254 + ... + 50330328257.

It is an arithmetic number, because the mean of its divisors is an integer number (75495492384).

Almost surely, 2^201321313022 is an apocalyptic number.

201321313022 is a deficient number, since it is larger than the sum of its proper divisors (100660656514).

201321313022 is a wasteful number, since it uses less digits than its factorization.

201321313022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100660656513.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201321313022 its reverse (220313123102), we get a palindrome (421634436124).

The spelling of 201321313022 in words is "two hundred one billion, three hundred twenty-one million, three hundred thirteen thousand, twenty-two".