10011020101 has 4 divisors (see below), whose sum is σ = 10011265612. Its totient is φ = 10010774592.

The previous prime is 10011020057. The next prime is 10011020147. The reversal of 10011020101 is 10102011001.

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 4095872001 + 5915148100 = 63999^2 + 76910^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011020101 - 2¹³ = 10011011909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011020161) 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, 45300 + ... + 148573.

It is an arithmetic number, because the mean of its divisors is an integer number (2502816403).

Almost surely, 2^10011020101 is an apocalyptic number.

It is an amenable number.

10011020101 is a deficient number, since it is larger than the sum of its proper divisors (245511).

10011020101 is an equidigital number, since it uses as much as digits as its factorization.

10011020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245510.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10011020101 its reverse (10102011001), we get a palindrome (20113031102).

The spelling of 10011020101 in words is "ten billion, eleven million, twenty thousand, one hundred one".