101031212223 has 32 divisors (see below), whose sum is σ = 157231872000. Its totient is φ = 63993254688.

The previous prime is 101031212203. The next prime is 101031212231. The reversal of 101031212223 is 322212130101.

It is not a de Polignac number, because 101031212223 - 2⁶ = 101031212159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101031212196 and 101031212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031212203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453415 + ... + 638472.

It is an arithmetic number, because the mean of its divisors is an integer number (4913496000).

Almost surely, 2^101031212223 is an apocalyptic number.

101031212223 is a deficient number, since it is larger than the sum of its proper divisors (56200659777).

101031212223 is a wasteful number, since it uses less digits than its factorization.

101031212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092068 (or 1092062 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101031212223 its reverse (322212130101), we get a palindrome (423243342324).

The spelling of 101031212223 in words is "one hundred one billion, thirty-one million, two hundred twelve thousand, two hundred twenty-three".