201122213147 has 2 divisors, whose sum is σ = 201122213148. Its totient is φ = 201122213146.

The previous prime is 201122213129. The next prime is 201122213197. The reversal of 201122213147 is 741312221102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201122213147 - 2²⁴ = 201105435931 is a prime.

It is a super-2 number, since 2×201122213147² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201122213107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561106573 + 100561106574.

It is an arithmetic number, because the mean of its divisors is an integer number (100561106574).

Almost surely, 2^201122213147 is an apocalyptic number.

201122213147 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122213147 is an equidigital number, since it uses as much as digits as its factorization.

201122213147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 201122213147 its reverse (741312221102), we get a palindrome (942434434249).

The spelling of 201122213147 in words is "two hundred one billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred forty-seven".