331210420121422 has 4 divisors (see below), whose sum is σ = 496815630182136. Its totient is φ = 165605210060710.

The previous prime is 331210420121417. The next prime is 331210420121423. The reversal of 331210420121422 is 224121024012133.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331210420121423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82802605030354 + ... + 82802605030357.

It is an arithmetic number, because the mean of its divisors is an integer number (124203907545534).

Almost surely, 2^{331210420121422} is an apocalyptic number.

331210420121422 is a deficient number, since it is larger than the sum of its proper divisors (165605210060714).

331210420121422 is a wasteful number, since it uses less digits than its factorization.

331210420121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165605210060713.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 331210420121422 its reverse (224121024012133), we get a palindrome (555331444133555).

The spelling of 331210420121422 in words is "three hundred thirty-one trillion, two hundred ten billion, four hundred twenty million, one hundred twenty-one thousand, four hundred twenty-two".