42143221134201 has 32 divisors (see below), whose sum is σ = 63604577848320. Its totient is φ = 24586106529600.

The previous prime is 42143221134121. The next prime is 42143221134221. The reversal of 42143221134201 is 10243112234124.

It is a happy number.

It is not a de Polignac number, because 42143221134201 - 2³⁰ = 42142147392377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42143221134221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66204085 + ... + 66837618.

It is an arithmetic number, because the mean of its divisors is an integer number (1987643057760).

Almost surely, 2^{42143221134201} is an apocalyptic number.

It is an amenable number.

42143221134201 is a deficient number, since it is larger than the sum of its proper divisors (21461356714119).

42143221134201 is a wasteful number, since it uses less digits than its factorization.

42143221134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133042077.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 42143221134201 its reverse (10243112234124), we get a palindrome (52386333368325).

The spelling of 42143221134201 in words is "forty-two trillion, one hundred forty-three billion, two hundred twenty-one million, one hundred thirty-four thousand, two hundred one".