3021421121121 has 16 divisors (see below), whose sum is σ = 4338482692544. Its totient is φ = 1859322423744.

The previous prime is 3021421121101. The next prime is 3021421121141. The reversal of 3021421121121 is 1211211241203.

It is an interprime number because it is at equal distance from previous prime (3021421121101) and next prime (3021421121141).

It is not a de Polignac number, because 3021421121121 - 2⁶ = 3021421121057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3021421121101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8643675 + ... + 8986431.

It is an arithmetic number, because the mean of its divisors is an integer number (271155168284).

Almost surely, 2^{3021421121121} is an apocalyptic number.

It is an amenable number.

3021421121121 is a deficient number, since it is larger than the sum of its proper divisors (1317061571423).

3021421121121 is a wasteful number, since it uses less digits than its factorization.

3021421121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568800.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 3021421121121 its reverse (1211211241203), we get a palindrome (4232632362324).

The spelling of 3021421121121 in words is "three trillion, twenty-one billion, four hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".