21430201141 has 16 divisors (see below), whose sum is σ = 22236940800. Its totient is φ = 20630937600.

The previous prime is 21430201129. The next prime is 21430201181. The reversal of 21430201141 is 14110203412.

It is a cyclic number.

It is not a de Polignac number, because 21430201141 - 2²¹ = 21428103989 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 (21430201181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6435765 + ... + 6439093.

It is an arithmetic number, because the mean of its divisors is an integer number (1389808800).

Almost surely, 2^21430201141 is an apocalyptic number.

It is an amenable number.

21430201141 is a deficient number, since it is larger than the sum of its proper divisors (806739659).

21430201141 is a wasteful number, since it uses less digits than its factorization.

21430201141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21430201141 its reverse (14110203412), we get a palindrome (35540404553).

The spelling of 21430201141 in words is "twenty-one billion, four hundred thirty million, two hundred one thousand, one hundred forty-one".