221011034222404 has 36 divisors (see below), whose sum is σ = 414888726299628. Its totient is φ = 102973216939200.

The previous prime is 221011034222401. The next prime is 221011034222417. The reversal of 221011034222404 is 404222430110122.

It can be written as a sum of positive squares in 2 ways, for example, as 127099468345600 + 93911565876804 = 11273840^2 + 9690798^2 .

It is not an unprimeable number, because it can be changed into a prime (221011034222401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254458907 + ... + 1254635074.

Almost surely, 2^{221011034222404} is an apocalyptic number.

It is an amenable number.

221011034222404 is a deficient number, since it is larger than the sum of its proper divisors (193877692077224).

221011034222404 is a wasteful number, since it uses less digits than its factorization.

221011034222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509094084 (or 2509094063 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 221011034222404 its reverse (404222430110122), we get a palindrome (625233464332526).

The spelling of 221011034222404 in words is "two hundred twenty-one trillion, eleven billion, thirty-four million, two hundred twenty-two thousand, four hundred four".