10123311231211 has 16 divisors (see below), whose sum is σ = 10353903991200. Its totient is φ = 9894239896320.

The previous prime is 10123311231191. The next prime is 10123311231233. The reversal of 10123311231211 is 11213211332101.

It is a cyclic number.

It is not a de Polignac number, because 10123311231211 - 2²⁵ = 10123277676779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123311231251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18842496 + ... + 19372306.

It is an arithmetic number, because the mean of its divisors is an integer number (647118999450).

Almost surely, 2^{10123311231211} is an apocalyptic number.

10123311231211 is a deficient number, since it is larger than the sum of its proper divisors (230592759989).

10123311231211 is a wasteful number, since it uses less digits than its factorization.

10123311231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531246.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 10123311231211 its reverse (11213211332101), we get a palindrome (21336522563312).

The spelling of 10123311231211 in words is "ten trillion, one hundred twenty-three billion, three hundred eleven million, two hundred thirty-one thousand, two hundred eleven".