3121130022201 has 12 divisors (see below), whose sum is σ = 4508314267860. Its totient is φ = 2080746264960.

The previous prime is 3121130022187. The next prime is 3121130022217. The reversal of 3121130022201 is 1022200311213.

3121130022201 is a `hidden beast` number, since 312 + 1 + 130 + 0 + 2 + 220 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 363670508601 + 2757459513600 = 603051^2 + 1660560^2 .

It is not a de Polignac number, because 3121130022201 - 2¹¹ = 3121130020153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121130022281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4634821 + ... + 5265341.

It is an arithmetic number, because the mean of its divisors is an integer number (375692855655).

Almost surely, 2^{3121130022201} is an apocalyptic number.

It is an amenable number.

3121130022201 is a deficient number, since it is larger than the sum of its proper divisors (1387184245659).

3121130022201 is a wasteful number, since it uses less digits than its factorization.

3121130022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180536 (or 1180533 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3121130022201 its reverse (1022200311213), we get a palindrome (4143330333414).

The spelling of 3121130022201 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, twenty-two thousand, two hundred one".