221411141642428 has 24 divisors (see below), whose sum is σ = 391232976750000. Its totient is φ = 109631043886848.

The previous prime is 221411141642413. The next prime is 221411141642443. The reversal of 221411141642428 is 824246141114122.

It is an interprime number because it is at equal distance from previous prime (221411141642413) and next prime (221411141642443).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92915053 + ... + 95268196.

It is an arithmetic number, because the mean of its divisors is an integer number (16301374031250).

Almost surely, 2^{221411141642428} is an apocalyptic number.

It is an amenable number.

221411141642428 is a deficient number, since it is larger than the sum of its proper divisors (169821835107572).

221411141642428 is a wasteful number, since it uses less digits than its factorization.

221411141642428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188186109 (or 188186107 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The spelling of 221411141642428 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-eight".