101321220222 has 24 divisors (see below), whose sum is σ = 227660026776. Its totient is φ = 33773739912.

The previous prime is 101321220197. The next prime is 101321220227. The reversal of 101321220222 is 222022123101.

101321220222 is a `hidden beast` number, since 101 + 321 + 2 + 20 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 101321220195 and 101321220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321220227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104239453 + ... + 104240424.

It is an arithmetic number, because the mean of its divisors is an integer number (9485834449).

Almost surely, 2^101321220222 is an apocalyptic number.

101321220222 is an abundant number, since it is smaller than the sum of its proper divisors (126338806554).

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

101321220222 is an equidigital number, since it uses as much as digits as its factorization.

101321220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208479894 (or 208479882 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101321220222 its reverse (222022123101), we get a palindrome (323343343323).

The spelling of 101321220222 in words is "one hundred one billion, three hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".