221411141642427 has 32 divisors (see below), whose sum is σ = 323592801361920. Its totient is φ = 133547251564320.

The previous prime is 221411141642413. The next prime is 221411141642443. The reversal of 221411141642427 is 724246141114122.

It is not a de Polignac number, because 221411141642427 - 2¹¹ = 221411141640379 is a prime.

It is a super-2 number, since 2×221411141642427² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221411101642427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14398974 + ... + 25498092.

It is an arithmetic number, because the mean of its divisors is an integer number (10112275042560).

Almost surely, 2^{221411141642427} is an apocalyptic number.

221411141642427 is a deficient number, since it is larger than the sum of its proper divisors (102181659719493).

221411141642427 is a wasteful number, since it uses less digits than its factorization.

221411141642427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102023.

The product of its digits is 172032, while the sum is 42.

Adding to 221411141642427 its reverse (724246141114122), we get a palindrome (945657282756549).

The spelling of 221411141642427 in words is "two hundred twenty-one trillion, four hundred eleven billion, one hundred forty-one million, six hundred forty-two thousand, four hundred twenty-seven".