221010401141 has 4 divisors (see below), whose sum is σ = 221012741292. Its totient is φ = 221008060992.

The previous prime is 221010401089. The next prime is 221010401179. The reversal of 221010401141 is 141104010122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213678760516 + 7331640625 = 462254^2 + 85625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221010401141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010401341) 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, 1022180 + ... + 1219373.

It is an arithmetic number, because the mean of its divisors is an integer number (55253185323).

Almost surely, 2^221010401141 is an apocalyptic number.

It is an amenable number.

221010401141 is a deficient number, since it is larger than the sum of its proper divisors (2340151).

221010401141 is an equidigital number, since it uses as much as digits as its factorization.

221010401141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340150.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010401141 its reverse (141104010122), we get a palindrome (362114411263).

The spelling of 221010401141 in words is "two hundred twenty-one billion, ten million, four hundred one thousand, one hundred forty-one".