42100244244243 has 12 divisors (see below), whose sum is σ = 61401866471920. Its totient is φ = 27794336005296.

The previous prime is 42100244244199. The next prime is 42100244244277. The reversal of 42100244244243 is 34244244200124.

It is not a de Polignac number, because 42100244244243 - 2¹³ = 42100244236051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42100244244198 and 42100244244207.

It is not an unprimeable number, because it can be changed into a prime (42100244244143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22707789928 + ... + 22707791781.

Almost surely, 2^{42100244244243} is an apocalyptic number.

42100244244243 is a deficient number, since it is larger than the sum of its proper divisors (19301622227677).

42100244244243 is a wasteful number, since it uses less digits than its factorization.

42100244244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45415581818 (or 45415581815 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 42100244244243 its reverse (34244244200124), we get a palindrome (76344488444367).

The spelling of 42100244244243 in words is "forty-two trillion, one hundred billion, two hundred forty-four million, two hundred forty-four thousand, two hundred forty-three".