101342430421 has 4 divisors (see below), whose sum is σ = 105748623072. Its totient is φ = 96936237772.

The previous prime is 101342430407. The next prime is 101342430433. The reversal of 101342430421 is 124034243101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124034243101 = 35449 ⋅3498949.

It is a cyclic number.

It is not a de Polignac number, because 101342430421 - 2¹³ = 101342422229 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 (101342430481) 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, 2203096291 + ... + 2203096336.

It is an arithmetic number, because the mean of its divisors is an integer number (26437155768).

Almost surely, 2^101342430421 is an apocalyptic number.

It is an amenable number.

101342430421 is a deficient number, since it is larger than the sum of its proper divisors (4406192651).

101342430421 is an equidigital number, since it uses as much as digits as its factorization.

101342430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406192650.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 101342430421 its reverse (124034243101), we get a palindrome (225376673522).

The spelling of 101342430421 in words is "one hundred one billion, three hundred forty-two million, four hundred thirty thousand, four hundred twenty-one".