42111224101 has 4 divisors (see below), whose sum is σ = 43942146912. Its totient is φ = 40280301292.

The previous prime is 42111224053. The next prime is 42111224119. The reversal of 42111224101 is 10142211124.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42111224101 - 2⁹ = 42111223589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111224131) 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, 915461371 + ... + 915461416.

It is an arithmetic number, because the mean of its divisors is an integer number (10985536728).

Almost surely, 2^42111224101 is an apocalyptic number.

It is an amenable number.

42111224101 is a deficient number, since it is larger than the sum of its proper divisors (1830922811).

42111224101 is a wasteful number, since it uses less digits than its factorization.

42111224101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830922810.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 42111224101 its reverse (10142211124), we get a palindrome (52253435225).

The spelling of 42111224101 in words is "forty-two billion, one hundred eleven million, two hundred twenty-four thousand, one hundred one".