10211311031223 has 4 divisors (see below), whose sum is σ = 13615081374968. Its totient is φ = 6807540687480.

The previous prime is 10211311031203. The next prime is 10211311031227. The reversal of 10211311031223 is 32213011311201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10211311031223 - 2¹³ = 10211311023031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211311031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211311031227) 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 3 ways as a sum of consecutive naturals, for example, 1701885171868 + ... + 1701885171873.

It is an arithmetic number, because the mean of its divisors is an integer number (3403770343742).

Almost surely, 2^{10211311031223} is an apocalyptic number.

10211311031223 is a deficient number, since it is larger than the sum of its proper divisors (3403770343745).

10211311031223 is an equidigital number, since it uses as much as digits as its factorization.

10211311031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403770343744.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10211311031223 its reverse (32213011311201), we get a palindrome (42424322342424).

The spelling of 10211311031223 in words is "ten trillion, two hundred eleven billion, three hundred eleven million, thirty-one thousand, two hundred twenty-three".