101223001111 has 6 divisors (see below), whose sum is σ = 107527548200. Its totient is φ = 95268706656.

The previous prime is 101223001079. The next prime is 101223001129. The reversal of 101223001111 is 111100322101.

It is a happy number.

It is not a de Polignac number, because 101223001111 - 2⁵ = 101223001079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101223001091 and 101223001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223001211) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 175126011 + ... + 175126588.

Almost surely, 2^101223001111 is an apocalyptic number.

101223001111 is a deficient number, since it is larger than the sum of its proper divisors (6304547089).

101223001111 is an equidigital number, since it uses as much as digits as its factorization.

101223001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350252633 (or 350252616 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101223001111 its reverse (111100322101), we get a palindrome (212323323212).

The spelling of 101223001111 in words is "one hundred one billion, two hundred twenty-three million, one thousand, one hundred eleven".