101221202222 has 64 divisors (see below), whose sum is σ = 185122796544. Its totient is φ = 40520256000.

The previous prime is 101221202191. The next prime is 101221202233. The reversal of 101221202222 is 222202122101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101221202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17500343 + ... + 17506125.

It is an arithmetic number, because the mean of its divisors is an integer number (2892543696).

Almost surely, 2^101221202222 is an apocalyptic number.

101221202222 is a deficient number, since it is larger than the sum of its proper divisors (83901594322).

101221202222 is a wasteful number, since it uses less digits than its factorization.

101221202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101221202222 its reverse (222202122101), we get a palindrome (323423324323).

The spelling of 101221202222 in words is "one hundred one billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty-two".