221220100201102 has 16 divisors (see below), whose sum is σ = 332162480659680. Its totient is φ = 110499305589792.

The previous prime is 221220100201057. The next prime is 221220100201129. The reversal of 221220100201102 is 201102001022122.

It is a happy number.

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, 5648799 + ... + 21779557.

It is an arithmetic number, because the mean of its divisors is an integer number (20760155041230).

Almost surely, 2^{221220100201102} is an apocalyptic number.

221220100201102 is a deficient number, since it is larger than the sum of its proper divisors (110942380458578).

221220100201102 is a wasteful number, since it uses less digits than its factorization.

221220100201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16137627.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221220100201102 its reverse (201102001022122), we get a palindrome (422322101223224).

The spelling of 221220100201102 in words is "two hundred twenty-one trillion, two hundred twenty billion, one hundred million, two hundred one thousand, one hundred two".