3101020002121 has 4 divisors (see below), whose sum is σ = 3264231581200. Its totient is φ = 2937808423044.

The previous prime is 3101020002109. The next prime is 3101020002137. The reversal of 3101020002121 is 1212000201013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3101020002121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3101020002221) 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 3 ways as a sum of consecutive naturals, for example, 81605789511 + ... + 81605789548.

It is an arithmetic number, because the mean of its divisors is an integer number (816057895300).

Almost surely, 2^{3101020002121} is an apocalyptic number.

It is an amenable number.

3101020002121 is a deficient number, since it is larger than the sum of its proper divisors (163211579079).

3101020002121 is a wasteful number, since it uses less digits than its factorization.

3101020002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163211579078.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 3101020002121 its reverse (1212000201013), we get a palindrome (4313020203134).

The spelling of 3101020002121 in words is "three trillion, one hundred one billion, twenty million, two thousand, one hundred twenty-one".