221000122102 has 8 divisors (see below), whose sum is σ = 331595809416. Its totient is φ = 110468185632.

The previous prime is 221000122097. The next prime is 221000122117. The reversal of 221000122102 is 201221000122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15929043 + ... + 15942910.

It is an arithmetic number, because the mean of its divisors is an integer number (41449476177).

Almost surely, 2^221000122102 is an apocalyptic number.

221000122102 is a deficient number, since it is larger than the sum of its proper divisors (110595687314).

221000122102 is a wasteful number, since it uses less digits than its factorization.

221000122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31875422.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221000122102 its reverse (201221000122), we get a palindrome (422221122224).

The spelling of 221000122102 in words is "two hundred twenty-one billion, one hundred twenty-two thousand, one hundred two".