221210030204122 has 16 divisors (see below), whose sum is σ = 349280607564000. Its totient is φ = 104783214766320.

The previous prime is 221210030204101. The next prime is 221210030204131. The reversal of 221210030204122 is 221402030012122.

It is a junction number, because it is equal to n+sod(n) for n = 221210030204093 and 221210030204102.

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, 5029872 + ... + 21626827.

It is an arithmetic number, because the mean of its divisors is an integer number (21830037972750).

Almost surely, 2^{221210030204122} is an apocalyptic number.

221210030204122 is a deficient number, since it is larger than the sum of its proper divisors (128070577359878).

221210030204122 is a wasteful number, since it uses less digits than its factorization.

221210030204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26875101.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221210030204122 its reverse (221402030012122), we get a palindrome (442612060216244).

The spelling of 221210030204122 in words is "two hundred twenty-one trillion, two hundred ten billion, thirty million, two hundred four thousand, one hundred twenty-two".