42203121220454 has 8 divisors (see below), whose sum is σ = 63604704020088. Its totient is φ = 21001553213760.

The previous prime is 42203121220453. The next prime is 42203121220471. The reversal of 42203121220454 is 45402212130224.

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

It is a super-2 number, since 2×42203121220454² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42203121220454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203121220453) 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, 50003697707 + ... + 50003698550.

It is an arithmetic number, because the mean of its divisors is an integer number (7950588002511).

Almost surely, 2^{42203121220454} is an apocalyptic number.

42203121220454 is a deficient number, since it is larger than the sum of its proper divisors (21401582799634).

42203121220454 is a wasteful number, since it uses less digits than its factorization.

42203121220454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100007396470.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 42203121220454 its reverse (45402212130224), we get a palindrome (87605333350678).

The spelling of 42203121220454 in words is "forty-two trillion, two hundred three billion, one hundred twenty-one million, two hundred twenty thousand, four hundred fifty-four".