3821236101 has 8 divisors (see below), whose sum is σ = 5661090560. Its totient is φ = 2547490716.

The previous prime is 3821236099. The next prime is 3821236141. The reversal of 3821236101 is 1016321283.

It is a happy number.

3821236101 is a `hidden beast` number, since 3 + 8 + 21 + 23 + 610 + 1 = 666.

It is not a de Polignac number, because 3821236101 - 2¹ = 3821236099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 141527263 = 3821236101 / (3 + 8 + 2 + 1 + 2 + 3 + 6 + 1 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821236141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70763605 + ... + 70763658.

It is an arithmetic number, because the mean of its divisors is an integer number (707636320).

Almost surely, 2^3821236101 is an apocalyptic number.

It is an amenable number.

3821236101 is a deficient number, since it is larger than the sum of its proper divisors (1839854459).

3821236101 is a wasteful number, since it uses less digits than its factorization.

3821236101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141527272 (or 141527266 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3821236101 is about 61816.1475748853. The cubic root of 3821236101 is about 1563.3922593717.

Adding to 3821236101 its reverse (1016321283), we get a palindrome (4837557384).

The spelling of 3821236101 in words is "three billion, eight hundred twenty-one million, two hundred thirty-six thousand, one hundred one".