201213053401 has 2 divisors, whose sum is σ = 201213053402. Its totient is φ = 201213053400.

The previous prime is 201213053389. The next prime is 201213053407. The reversal of 201213053401 is 104350312102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178185294400 + 23027759001 = 422120^2 + 151749^2 .

It is a cyclic number.

It is not a de Polignac number, because 201213053401 - 2⁵ = 201213053369 is a prime.

It is not a weakly prime, because it can be changed into another prime (201213053407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606526700 + 100606526701.

It is an arithmetic number, because the mean of its divisors is an integer number (100606526701).

Almost surely, 2^201213053401 is an apocalyptic number.

It is an amenable number.

201213053401 is a deficient number, since it is larger than the sum of its proper divisors (1).

201213053401 is an equidigital number, since it uses as much as digits as its factorization.

201213053401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 201213053401 its reverse (104350312102), we get a palindrome (305563365503).

The spelling of 201213053401 in words is "two hundred one billion, two hundred thirteen million, fifty-three thousand, four hundred one".