201010021200101 has 2 divisors, whose sum is σ = 201010021200102. Its totient is φ = 201010021200100.

The previous prime is 201010021200071. The next prime is 201010021200127. The reversal of 201010021200101 is 101002120010102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131615273416900 + 69394747783201 = 11472370^2 + 8330351^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010021200101 - 2²² = 201010017005797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201010021200701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505010600050 + 100505010600051.

It is an arithmetic number, because the mean of its divisors is an integer number (100505010600051).

Almost surely, 2^{201010021200101} is an apocalyptic number.

It is an amenable number.

201010021200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010021200101 is an equidigital number, since it uses as much as digits as its factorization.

201010021200101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201010021200101 its reverse (101002120010102), we get a palindrome (302012141210203).

The spelling of 201010021200101 in words is "two hundred one trillion, ten billion, twenty-one million, two hundred thousand, one hundred one".