101123111222 has 16 divisors (see below), whose sum is σ = 173374639872. Its totient is φ = 43333292520.

The previous prime is 101123111203. The next prime is 101123111233. The reversal of 101123111222 is 222111321101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101123111222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309554 + ... + 545957.

It is an arithmetic number, because the mean of its divisors is an integer number (10835914992).

Almost surely, 2^101123111222 is an apocalyptic number.

101123111222 is a deficient number, since it is larger than the sum of its proper divisors (72251528650).

101123111222 is an equidigital number, since it uses as much as digits as its factorization.

101123111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863963.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101123111222 its reverse (222111321101), we get a palindrome (323234432323).

The spelling of 101123111222 in words is "one hundred one billion, one hundred twenty-three million, one hundred eleven thousand, two hundred twenty-two".