221122001012102 has 4 divisors (see below), whose sum is σ = 331683001518156. Its totient is φ = 110561000506050.

The previous prime is 221122001012093. The next prime is 221122001012173. The reversal of 221122001012102 is 201210100221122.

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, 55280500253024 + ... + 55280500253027.

It is an arithmetic number, because the mean of its divisors is an integer number (82920750379539).

Almost surely, 2^{221122001012102} is an apocalyptic number.

221122001012102 is a deficient number, since it is larger than the sum of its proper divisors (110561000506054).

221122001012102 is a wasteful number, since it uses less digits than its factorization.

221122001012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110561000506053.

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

Adding to 221122001012102 its reverse (201210100221122), we get a palindrome (422332101233224).

The spelling of 221122001012102 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one million, twelve thousand, one hundred two".