101221430143 has 4 divisors (see below), whose sum is σ = 101476396360. Its totient is φ = 100966463928.

The previous prime is 101221430137. The next prime is 101221430161. The reversal of 101221430143 is 341034122101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101221430143 - 2⁵ = 101221430111 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 (101221430183) 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, 127482513 + ... + 127483306.

It is an arithmetic number, because the mean of its divisors is an integer number (25369099090).

Almost surely, 2^101221430143 is an apocalyptic number.

101221430143 is a deficient number, since it is larger than the sum of its proper divisors (254966217).

101221430143 is an equidigital number, since it uses as much as digits as its factorization.

101221430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254966216.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 101221430143 its reverse (341034122101), we get a palindrome (442255552244).

The spelling of 101221430143 in words is "one hundred one billion, two hundred twenty-one million, four hundred thirty thousand, one hundred forty-three".