211331103233129 has 24 divisors (see below), whose sum is σ = 250208109344256. Its totient is φ = 177838235467200.

The previous prime is 211331103233111. The next prime is 211331103233137. The reversal of 211331103233129 is 921332301133112.

It is not a de Polignac number, because 211331103233129 - 2¹² = 211331103229033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211331103233429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1224694964 + ... + 1224867509.

It is an arithmetic number, because the mean of its divisors is an integer number (10425337889344).

Almost surely, 2^{211331103233129} is an apocalyptic number.

It is an amenable number.

211331103233129 is a deficient number, since it is larger than the sum of its proper divisors (38877006111127).

211331103233129 is a wasteful number, since it uses less digits than its factorization.

211331103233129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449562549 (or 2449562538 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 211331103233129 in words is "two hundred eleven trillion, three hundred thirty-one billion, one hundred three million, two hundred thirty-three thousand, one hundred twenty-nine".