2021010601 has 4 divisors (see below), whose sum is σ = 2127379600. Its totient is φ = 1914641604.

The previous prime is 2021010587. The next prime is 2021010619. The reversal of 2021010601 is 1060101202.

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 2021010601 - 2⁵ = 2021010569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021010661) 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, 53184471 + ... + 53184508.

It is an arithmetic number, because the mean of its divisors is an integer number (531844900).

Almost surely, 2^2021010601 is an apocalyptic number.

It is an amenable number.

2021010601 is a deficient number, since it is larger than the sum of its proper divisors (106368999).

2021010601 is a wasteful number, since it uses less digits than its factorization.

2021010601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106368998.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2021010601 is about 44955.6514912197. The cubic root of 2021010601 is about 1264.3176395623.

Adding to 2021010601 its reverse (1060101202), we get a palindrome (3081111803).

It can be divided in two parts, 202 and 1010601, that multiplied together give a palindrome (204141402).

The spelling of 2021010601 in words is "two billion, twenty-one million, ten thousand, six hundred one".