140421212204101 has 4 divisors (see below), whose sum is σ = 140421277192032. Its totient is φ = 140421147216172.

The previous prime is 140421212204071. The next prime is 140421212204123. The reversal of 140421212204101 is 101402212124041.

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.

It is a cyclic number.

It is not a de Polignac number, because 140421212204101 - 2⁵ = 140421212204069 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 (140421212205101) 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, 29137291 + ... + 33612856.

It is an arithmetic number, because the mean of its divisors is an integer number (35105319298008).

Almost surely, 2^{140421212204101} is an apocalyptic number.

It is an amenable number.

140421212204101 is a deficient number, since it is larger than the sum of its proper divisors (64987931).

140421212204101 is an equidigital number, since it uses as much as digits as its factorization.

140421212204101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64987930.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 140421212204101 its reverse (101402212124041), we get a palindrome (241823424328142).

The spelling of 140421212204101 in words is "one hundred forty trillion, four hundred twenty-one billion, two hundred twelve million, two hundred four thousand, one hundred one".