2121241402213 has 8 divisors (see below), whose sum is σ = 2232928041120. Its totient is φ = 2009558998800.

The previous prime is 2121241402183. The next prime is 2121241402223. The reversal of 2121241402213 is 3122041421212.

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 2121241402213 - 2⁹ = 2121241401701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121241402223) 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, 3895 + ... + 2059732.

It is an arithmetic number, because the mean of its divisors is an integer number (279116005140).

Almost surely, 2^{2121241402213} is an apocalyptic number.

It is an amenable number.

2121241402213 is a deficient number, since it is larger than the sum of its proper divisors (111686638907).

2121241402213 is a wasteful number, since it uses less digits than its factorization.

2121241402213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117747.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2121241402213 its reverse (3122041421212), we get a palindrome (5243282823425).

The spelling of 2121241402213 in words is "two trillion, one hundred twenty-one billion, two hundred forty-one million, four hundred two thousand, two hundred thirteen".