21402141141 has 8 divisors (see below), whose sum is σ = 28897406080. Its totient is φ = 14087485152.

The previous prime is 21402141107. The next prime is 21402141149. The reversal of 21402141141 is 14114120412.

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

It is not a de Polignac number, because 21402141141 - 2¹⁰ = 21402140117 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 (21402141149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45151960 + ... + 45152433.

It is an arithmetic number, because the mean of its divisors is an integer number (3612175760).

Almost surely, 2^21402141141 is an apocalyptic number.

It is an amenable number.

21402141141 is a deficient number, since it is larger than the sum of its proper divisors (7495264939).

21402141141 is an equidigital number, since it uses as much as digits as its factorization.

21402141141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90304475.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 21402141141 its reverse (14114120412), we get a palindrome (35516261553).

The spelling of 21402141141 in words is "twenty-one billion, four hundred two million, one hundred forty-one thousand, one hundred forty-one".