101220122222 has 8 divisors (see below), whose sum is σ = 153173813616. Its totient is φ = 50162184352.

The previous prime is 101220122183. The next prime is 101220122251. The reversal of 101220122222 is 222221022101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101220122222.

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, 223938098 + ... + 223938549.

It is an arithmetic number, because the mean of its divisors is an integer number (19146726702).

Almost surely, 2^101220122222 is an apocalyptic number.

101220122222 is a deficient number, since it is larger than the sum of its proper divisors (51953691394).

101220122222 is a wasteful number, since it uses less digits than its factorization.

101220122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447876762.

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

Adding to 101220122222 its reverse (222221022101), we get a palindrome (323441144323).

The spelling of 101220122222 in words is "one hundred one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".