1020110001 has 4 divisors (see below), whose sum is σ = 1360146672. Its totient is φ = 680073332.

The previous prime is 1020109991. The next prime is 1020110033. The reversal of 1020110001 is 1000110201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020110001 - 2¹⁰ = 1020108977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020110051) 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, 170018331 + ... + 170018336.

It is an arithmetic number, because the mean of its divisors is an integer number (340036668).

Almost surely, 2^1020110001 is an apocalyptic number.

It is an amenable number.

1020110001 is a deficient number, since it is larger than the sum of its proper divisors (340036671).

1020110001 is an equidigital number, since it uses as much as digits as its factorization.

1020110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340036670.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1020110001 is about 31939.1609313708. The cubic root of 1020110001 is about 1006.6588943720.

Adding to 1020110001 its reverse (1000110201), we get a palindrome (2020220202).

It can be divided in two parts, 10201 and 10001, that multiplied together give a palindrome (102020201).

The spelling of 1020110001 in words is "one billion, twenty million, one hundred ten thousand, one".