101010000020201 has 4 divisors (see below), whose sum is σ = 102010099030404. Its totient is φ = 100009901010000.

The previous prime is 101010000020197. The next prime is 101010000020219. The reversal of 101010000020201 is 102020000010101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93862691852176 + 7147308168025 = 9688276^2 + 2673445^2 .

It is a cyclic number.

It is not a de Polignac number, because 101010000020201 - 2² = 101010000020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101010000010201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500049504950 + ... + 500049505151.

It is an arithmetic number, because the mean of its divisors is an integer number (25502524757601).

Almost surely, 2^{101010000020201} is an apocalyptic number.

It is an amenable number.

101010000020201 is a deficient number, since it is larger than the sum of its proper divisors (1000099010203).

101010000020201 is a wasteful number, since it uses less digits than its factorization.

101010000020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000099010202.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101010000020201 its reverse (102020000010101), we get a palindrome (203030000030302).

The spelling of 101010000020201 in words is "one hundred one trillion, ten billion, twenty thousand, two hundred one".