221010011121102 has 32 divisors (see below), whose sum is σ = 505185052095744. Its totient is φ = 63143303414400.

The previous prime is 221010011121083. The next prime is 221010011121127. The reversal of 221010011121102 is 201121110010122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 99473524 + ... + 101671047.

It is an arithmetic number, because the mean of its divisors is an integer number (15787032877992).

Almost surely, 2^{221010011121102} is an apocalyptic number.

221010011121102 is an abundant number, since it is smaller than the sum of its proper divisors (284175040974642).

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

221010011121102 is a wasteful number, since it uses less digits than its factorization.

221010011121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201170744.

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

Adding to 221010011121102 its reverse (201121110010122), we get a palindrome (422131121131224).

The spelling of 221010011121102 in words is "two hundred twenty-one trillion, ten billion, eleven million, one hundred twenty-one thousand, one hundred two".