3121002201 has 8 divisors (see below), whose sum is σ = 4162201920. Its totient is φ = 2080235312.

The previous prime is 3121002191. The next prime is 3121002211. The reversal of 3121002201 is 1022001213.

It is an interprime number because it is at equal distance from previous prime (3121002191) and next prime (3121002211).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121002201 - 2⁵ = 3121002169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90990 + ... + 120503.

It is an arithmetic number, because the mean of its divisors is an integer number (520275240).

Almost surely, 2^3121002201 is an apocalyptic number.

It is an amenable number.

3121002201 is a deficient number, since it is larger than the sum of its proper divisors (1041199719).

3121002201 is a wasteful number, since it uses less digits than its factorization.

3121002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216415.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3121002201 is about 55865.9305928041. The cubic root of 3121002201 is about 1461.3851558494.

Adding to 3121002201 its reverse (1022001213), we get a palindrome (4143003414).

The spelling of 3121002201 in words is "three billion, one hundred twenty-one million, two thousand, two hundred one".