201210101012077 has 2 divisors, whose sum is σ = 201210101012078. Its totient is φ = 201210101012076.

The previous prime is 201210101012071. The next prime is 201210101012147. The reversal of 201210101012077 is 770210101012102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198907555764681 + 2302545247396 = 14103459^2 + 1517414^2 .

It is a cyclic number.

It is not a de Polignac number, because 201210101012077 - 2²³ = 201210092623469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201210101012071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605050506038 + 100605050506039.

It is an arithmetic number, because the mean of its divisors is an integer number (100605050506039).

Almost surely, 2^{201210101012077} is an apocalyptic number.

It is an amenable number.

201210101012077 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210101012077 is an equidigital number, since it uses as much as digits as its factorization.

201210101012077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 201210101012077 its sum of digits (25), we get a palindrome (201210101012102).

Adding to 201210101012077 its reverse (770210101012102), we get a palindrome (971420202024179).

The spelling of 201210101012077 in words is "two hundred one trillion, two hundred ten billion, one hundred one million, twelve thousand, seventy-seven".