3201021121121 has 24 divisors (see below), whose sum is σ = 3305968344000. Its totient is φ = 3099218864000.

The previous prime is 3201021121117. The next prime is 3201021121147. The reversal of 3201021121121 is 1211211201023.

It is a happy number.

It is not a de Polignac number, because 3201021121121 - 2² = 3201021121117 is a prime.

It is a super-3 number, since 3×3201021121121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3201021121121.

It is not an unprimeable number, because it can be changed into a prime (3201021121421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315335396 + ... + 315345546.

It is an arithmetic number, because the mean of its divisors is an integer number (137748681000).

Almost surely, 2^{3201021121121} is an apocalyptic number.

It is an amenable number.

3201021121121 is a deficient number, since it is larger than the sum of its proper divisors (104947222879).

3201021121121 is a wasteful number, since it uses less digits than its factorization.

3201021121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641 (or 11600 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 3201021121121 its reverse (1211211201023), we get a palindrome (4412232322144).

The spelling of 3201021121121 in words is "three trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".