3331421020121 has 4 divisors (see below), whose sum is σ = 3351369649152. Its totient is φ = 3311472391092.

The previous prime is 3331421020079. The next prime is 3331421020133. The reversal of 3331421020121 is 1210201241333.

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 not a de Polignac number, because 3331421020121 - 2¹⁰ = 3331421019097 is a prime.

It is a super-2 number, since 2×3331421020121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3331421020141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9974314265 + ... + 9974314598.

It is an arithmetic number, because the mean of its divisors is an integer number (837842412288).

Almost surely, 2^{3331421020121} is an apocalyptic number.

It is an amenable number.

3331421020121 is a deficient number, since it is larger than the sum of its proper divisors (19948629031).

3331421020121 is a wasteful number, since it uses less digits than its factorization.

3331421020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948629030.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3331421020121 its reverse (1210201241333), we get a palindrome (4541622261454).

The spelling of 3331421020121 in words is "three trillion, three hundred thirty-one billion, four hundred twenty-one million, twenty thousand, one hundred twenty-one".