221133010102 has 4 divisors (see below), whose sum is σ = 331699515156. Its totient is φ = 110566505050.

The previous prime is 221133010073. The next prime is 221133010121. The reversal of 221133010102 is 201010331122.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 55283252524 + ... + 55283252527.

It is an arithmetic number, because the mean of its divisors is an integer number (82924878789).

Almost surely, 2^221133010102 is an apocalyptic number.

221133010102 is a deficient number, since it is larger than the sum of its proper divisors (110566505054).

221133010102 is a wasteful number, since it uses less digits than its factorization.

221133010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110566505053.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 221133010102 its reverse (201010331122), we get a palindrome (422143341224).

The spelling of 221133010102 in words is "two hundred twenty-one billion, one hundred thirty-three million, ten thousand, one hundred two".