201000220220101 has 2 divisors, whose sum is σ = 201000220220102. Its totient is φ = 201000220220100.

The previous prime is 201000220220039. The next prime is 201000220220141. The reversal of 201000220220101 is 101022022000102.

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., 164841333293025 + 36158886927076 = 12839055^2 + 6013226^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000220220101 - 2¹⁹ = 201000219695813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000220220141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500110110050 + 100500110110051.

It is an arithmetic number, because the mean of its divisors is an integer number (100500110110051).

Almost surely, 2^{201000220220101} is an apocalyptic number.

It is an amenable number.

201000220220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000220220101 is an equidigital number, since it uses as much as digits as its factorization.

201000220220101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201000220220101 its reverse (101022022000102), we get a palindrome (302022242220203).

The spelling of 201000220220101 in words is "two hundred one trillion, two hundred twenty million, two hundred twenty thousand, one hundred one".