201002001377 has 2 divisors, whose sum is σ = 201002001378. Its totient is φ = 201002001376.

The previous prime is 201002001367. The next prime is 201002001427. The reversal of 201002001377 is 773100200102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161301837376 + 39700164001 = 401624^2 + 199249^2 .

It is a cyclic number.

It is not a de Polignac number, because 201002001377 - 2¹⁴ = 201001984993 is a prime.

It is a super-2 number, since 2×201002001377² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201002001367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501000688 + 100501000689.

It is an arithmetic number, because the mean of its divisors is an integer number (100501000689).

Almost surely, 2^201002001377 is an apocalyptic number.

It is an amenable number.

201002001377 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002001377 is an equidigital number, since it uses as much as digits as its factorization.

201002001377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

Adding to 201002001377 its reverse (773100200102), we get a palindrome (974102201479).

The spelling of 201002001377 in words is "two hundred one billion, two million, one thousand, three hundred seventy-seven".