42111212402122 has 8 divisors (see below), whose sum is σ = 63166971015936. Its totient is φ = 21055555396812.

The previous prime is 42111212402101. The next prime is 42111212402159. The reversal of 42111212402122 is 22120421211124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24357418 + ... + 26028949.

It is an arithmetic number, because the mean of its divisors is an integer number (7895871376992).

Almost surely, 2^{42111212402122} is an apocalyptic number.

42111212402122 is a deficient number, since it is larger than the sum of its proper divisors (21055758613814).

42111212402122 is a wasteful number, since it uses less digits than its factorization.

42111212402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50804252.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 42111212402122 its reverse (22120421211124), we get a palindrome (64231633613246).

The spelling of 42111212402122 in words is "forty-two trillion, one hundred eleven billion, two hundred twelve million, four hundred two thousand, one hundred twenty-two".