221200201122122 has 16 divisors (see below), whose sum is σ = 333567566035200. Its totient is φ = 110011843904352.

The previous prime is 221200201122083. The next prime is 221200201122137. The reversal of 221200201122122 is 221221102002122.

It is a junction number, because it is equal to n+sod(n) for n = 221200201122094 and 221200201122103.

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, 207332372 + ... + 208396527.

It is an arithmetic number, because the mean of its divisors is an integer number (20847972877200).

Almost surely, 2^{221200201122122} is an apocalyptic number.

221200201122122 is a deficient number, since it is larger than the sum of its proper divisors (112367364913078).

221200201122122 is a wasteful number, since it uses less digits than its factorization.

221200201122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415730317.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221200201122122 its reverse (221221102002122), we get a palindrome (442421303124244).

The spelling of 221200201122122 in words is "two hundred twenty-one trillion, two hundred billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".