101220222222 has 24 divisors (see below), whose sum is σ = 250640550576. Its totient is φ = 28920063456.

The previous prime is 101220222217. The next prime is 101220222241. The reversal of 101220222222 is 222222022101.

101220222222 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 222 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

101220222222 is a modest number, since divided by 222222 gives 101220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 101220222195 and 101220222204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401667423 + ... + 401667674.

It is an arithmetic number, because the mean of its divisors is an integer number (10443356274).

Almost surely, 2^101220222222 is an apocalyptic number.

101220222222 is an abundant number, since it is smaller than the sum of its proper divisors (149420328354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220222222 is a wasteful number, since it uses less digits than its factorization.

101220222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803335112 (or 803335109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 101220222222 its reverse (222222022101), we get a palindrome (323442244323).

The spelling of 101220222222 in words is "one hundred one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".