3121420101 has 8 divisors (see below), whose sum is σ = 4296148224. Its totient is φ = 2013819360.

The previous prime is 3121420063. The next prime is 3121420129. The reversal of 3121420101 is 1010241213.

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

It is not a de Polignac number, because 3121420101 - 2⁶ = 3121420037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121420151) 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, 16781736 + ... + 16781921.

It is an arithmetic number, because the mean of its divisors is an integer number (537018528).

Almost surely, 2^3121420101 is an apocalyptic number.

3121420101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3121420101 is a deficient number, since it is larger than the sum of its proper divisors (1174728123).

3121420101 is a wasteful number, since it uses less digits than its factorization.

3121420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33563691.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3121420101 is about 55869.6706720203. The cubic root of 3121420101 is about 1461.4503790866.

Adding to 3121420101 its reverse (1010241213), we get a palindrome (4131661314).

It can be divided in two parts, 31214 and 20101, that added together give a palindrome (51315).

The spelling of 3121420101 in words is "three billion, one hundred twenty-one million, four hundred twenty thousand, one hundred one".