3121201103 has 2 divisors, whose sum is σ = 3121201104. Its totient is φ = 3121201102.

The previous prime is 3121201093. The next prime is 3121201121. The reversal of 3121201103 is 3011021213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3121201103 - 2¹⁸ = 3120938959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560600551 + 1560600552.

It is an arithmetic number, because the mean of its divisors is an integer number (1560600552).

Almost surely, 2^3121201103 is an apocalyptic number.

3121201103 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121201103 is an equidigital number, since it uses as much as digits as its factorization.

3121201103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3121201103 is about 55867.7107370617. The cubic root of 3121201103 is about 1461.4161999646.

Adding to 3121201103 its reverse (3011021213), we get a palindrome (6132222316).

The spelling of 3121201103 in words is "three billion, one hundred twenty-one million, two hundred one thousand, one hundred three".