3102020121 has 8 divisors (see below), whose sum is σ = 4137622560. Its totient is φ = 2067215552.

The previous prime is 3102020101. The next prime is 3102020179. The reversal of 3102020121 is 1210202013.

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 3102020121 - 2¹⁸ = 3101757977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3102020097 and 3102020106.

It is not an unprimeable number, because it can be changed into a prime (3102020101) 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, 190335 + ... + 205988.

It is an arithmetic number, because the mean of its divisors is an integer number (517202820).

Almost surely, 2^3102020121 is an apocalyptic number.

It is an amenable number.

3102020121 is a deficient number, since it is larger than the sum of its proper divisors (1035602439).

3102020121 is a wasteful number, since it uses less digits than its factorization.

3102020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398935.

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

The square root of 3102020121 is about 55695.7818959389. The cubic root of 3102020121 is about 1458.4163915586.

Adding to 3102020121 its reverse (1210202013), we get a palindrome (4312222134).

It can be divided in two parts, 310202012 and 1, that added together give a palindrome (310202013).

The spelling of 3102020121 in words is "three billion, one hundred two million, twenty thousand, one hundred twenty-one".