3901010101 has 4 divisors (see below), whose sum is σ = 3901502572. Its totient is φ = 3900517632.

The previous prime is 3901010053. The next prime is 3901010107. The reversal of 3901010101 is 1010101093.

It is a happy number.

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 3663880900 + 237129201 = 60530^2 + 15399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3901010101 is a prime.

It is a Duffinian number.

3901010101 is a modest number, since divided by 10101 gives 3901 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901010107) 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, 234156 + ... + 250261.

It is an arithmetic number, because the mean of its divisors is an integer number (975375643).

Almost surely, 2^3901010101 is an apocalyptic number.

It is an amenable number.

3901010101 is a deficient number, since it is larger than the sum of its proper divisors (492471).

3901010101 is an equidigital number, since it uses as much as digits as its factorization.

3901010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492470.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 3901010101 is about 62458.0667408142. The cubic root of 3901010101 is about 1574.1967989613.

Adding to 3901010101 its reverse (1010101093), we get a palindrome (4911111194).

The spelling of 3901010101 in words is "three billion, nine hundred one million, ten thousand, one hundred one".