221222101000102 has 4 divisors (see below), whose sum is σ = 331833151500156. Its totient is φ = 110611050500050.

The previous prime is 221222101000099. The next prime is 221222101000133. The reversal of 221222101000102 is 201000101222122.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 55305525250024 + ... + 55305525250027.

It is an arithmetic number, because the mean of its divisors is an integer number (82958287875039).

Almost surely, 2^{221222101000102} is an apocalyptic number.

221222101000102 is a deficient number, since it is larger than the sum of its proper divisors (110611050500054).

221222101000102 is a wasteful number, since it uses less digits than its factorization.

221222101000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110611050500053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221222101000102 its reverse (201000101222122), we get a palindrome (422222202222224).

The spelling of 221222101000102 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, one hundred one million, one hundred two", and thus it is an aban number.