3421210121243 has 4 divisors (see below), whose sum is σ = 3569958387408. Its totient is φ = 3272461855080.

The previous prime is 3421210121221. The next prime is 3421210121293.

It is a happy number.

3421210121243 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3421210121243 - 2⁸ = 3421210120987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421210121293) 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, 74374133048 + ... + 74374133093.

It is an arithmetic number, because the mean of its divisors is an integer number (892489596852).

Almost surely, 2^{3421210121243} is an apocalyptic number.

3421210121243 is a deficient number, since it is larger than the sum of its proper divisors (148748266165).

3421210121243 is a wasteful number, since it uses less digits than its factorization.

3421210121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148748266164.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 3421210 and 121243, that added together give a palindrome (3542453).

The spelling of 3421210121243 in words is "three trillion, four hundred twenty-one billion, two hundred ten million, one hundred twenty-one thousand, two hundred forty-three".