221200121201102 has 16 divisors (see below), whose sum is σ = 332299355029200. Its totient is φ = 110433771329280.

The previous prime is 221200121201077. The next prime is 221200121201123. The reversal of 221200121201102 is 201102121002122.

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, 21103649 + ... + 29795372.

It is an arithmetic number, because the mean of its divisors is an integer number (20768709689325).

Almost surely, 2^{221200121201102} is an apocalyptic number.

221200121201102 is a deficient number, since it is larger than the sum of its proper divisors (111099233828098).

221200121201102 is a wasteful number, since it uses less digits than its factorization.

221200121201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50902291.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221200121201102 its reverse (201102121002122), we get a palindrome (422302242203224).

The spelling of 221200121201102 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty-one million, two hundred one thousand, one hundred two".