42203412412111 has 4 divisors (see below), whose sum is σ = 42203425760424. Its totient is φ = 42203399063800.

The previous prime is 42203412412067. The next prime is 42203412412177. The reversal of 42203412412111 is 11121421430224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42203412412111 - 2⁷ = 42203412411983 is a prime.

It is a super-2 number, since 2×42203412412111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42203412412111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203412412181) 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, 1042056 + ... + 9246226.

It is an arithmetic number, because the mean of its divisors is an integer number (10550856440106).

Almost surely, 2^{42203412412111} is an apocalyptic number.

42203412412111 is a deficient number, since it is larger than the sum of its proper divisors (13348313).

42203412412111 is an equidigital number, since it uses as much as digits as its factorization.

42203412412111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348312.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 42203412412111 its reverse (11121421430224), we get a palindrome (53324833842335).

The spelling of 42203412412111 in words is "forty-two trillion, two hundred three billion, four hundred twelve million, four hundred twelve thousand, one hundred eleven".