42121311322 has 16 divisors (see below), whose sum is σ = 63438318720. Its totient is φ = 20975354608.

The previous prime is 42121311301. The next prime is 42121311343. The reversal of 42121311322 is 22311312124.

It is an interprime number because it is at equal distance from previous prime (42121311301) and next prime (42121311343).

It is a junction number, because it is equal to n+sod(n) for n = 42121311293 and 42121311302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535443 + ... + 609049.

It is an arithmetic number, because the mean of its divisors is an integer number (3964894920).

Almost surely, 2^42121311322 is an apocalyptic number.

42121311322 is a deficient number, since it is larger than the sum of its proper divisors (21317007398).

42121311322 is a wasteful number, since it uses less digits than its factorization.

42121311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74765.

The product of its digits is 576, while the sum is 22.

Adding to 42121311322 its reverse (22311312124), we get a palindrome (64432623446).

The spelling of 42121311322 in words is "forty-two billion, one hundred twenty-one million, three hundred eleven thousand, three hundred twenty-two".