221101102110102 has 16 divisors (see below), whose sum is σ = 465476004442560. Its totient is φ = 69821400666312.

The previous prime is 221101102110101. The next prime is 221101102110127. The reversal of 221101102110102 is 201011201101122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221101102110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969741675808 + ... + 969741676035.

It is an arithmetic number, because the mean of its divisors is an integer number (29092250277660).

Almost surely, 2^{221101102110102} is an apocalyptic number.

221101102110102 is an abundant number, since it is smaller than the sum of its proper divisors (244374902332458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221101102110102 is a wasteful number, since it uses less digits than its factorization.

221101102110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939483351867.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221101102110102 its reverse (201011201101122), we get a palindrome (422112303211224).

The spelling of 221101102110102 in words is "two hundred twenty-one trillion, one hundred one billion, one hundred two million, one hundred ten thousand, one hundred two".