221132142141 has 16 divisors (see below), whose sum is σ = 298958109120. Its totient is φ = 145376622720.

The previous prime is 221132142107. The next prime is 221132142163. The reversal of 221132142141 is 141241231122.

It is not a de Polignac number, because 221132142141 - 2¹³ = 221132133949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221132142641) 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, 1533480 + ... + 1671473.

It is an arithmetic number, because the mean of its divisors is an integer number (18684881820).

Almost surely, 2^221132142141 is an apocalyptic number.

It is an amenable number.

221132142141 is a deficient number, since it is larger than the sum of its proper divisors (77825966979).

221132142141 is a wasteful number, since it uses less digits than its factorization.

221132142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205276.

The product of its digits is 768, while the sum is 24.

Adding to 221132142141 its reverse (141241231122), we get a palindrome (362373373263).

The spelling of 221132142141 in words is "two hundred twenty-one billion, one hundred thirty-two million, one hundred forty-two thousand, one hundred forty-one".