42100340111213 has 4 divisors (see below), whose sum is σ = 42118911061920. Its totient is φ = 42081769160508.

The previous prime is 42100340111161. The next prime is 42100340111237. The reversal of 42100340111213 is 31211104300124.

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 42100340111213 - 2¹² = 42100340107117 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 (42100340141213) 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, 9285471953 + ... + 9285476486.

It is an arithmetic number, because the mean of its divisors is an integer number (10529727765480).

Almost surely, 2^{42100340111213} is an apocalyptic number.

It is an amenable number.

42100340111213 is a deficient number, since it is larger than the sum of its proper divisors (18570950707).

42100340111213 is a wasteful number, since it uses less digits than its factorization.

42100340111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570950706.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 42100340111213 its reverse (31211104300124), we get a palindrome (73311444411337).

The spelling of 42100340111213 in words is "forty-two trillion, one hundred billion, three hundred forty million, one hundred eleven thousand, two hundred thirteen".