2121410224121 has 8 divisors (see below), whose sum is σ = 2246521962240. Its totient is φ = 1996334363968.

The previous prime is 2121410224079. The next prime is 2121410224123. The reversal of 2121410224121 is 1214220141212.

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 2121410224121 - 2¹⁴ = 2121410207737 is a prime.

It is a super-2 number, since 2×2121410224121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121410224123) 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, 8847701 + ... + 9084306.

It is an arithmetic number, because the mean of its divisors is an integer number (280815245280).

Almost surely, 2^{2121410224121} is an apocalyptic number.

It is an amenable number.

2121410224121 is a deficient number, since it is larger than the sum of its proper divisors (125111738119).

2121410224121 is a wasteful number, since it uses less digits than its factorization.

2121410224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938983.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 2121410224121 its reverse (1214220141212), we get a palindrome (3335630365333).

The spelling of 2121410224121 in words is "two trillion, one hundred twenty-one billion, four hundred ten million, two hundred twenty-four thousand, one hundred twenty-one".