123201113331211 has 16 divisors (see below), whose sum is σ = 125407737726336. Its totient is φ = 121005348273216.

The previous prime is 123201113331209. The next prime is 123201113331239. The reversal of 123201113331211 is 112133311102321.

It is a cyclic number.

It is not a de Polignac number, because 123201113331211 - 2¹ = 123201113331209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123201113331271) 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, 414311295 + ... + 414608551.

It is an arithmetic number, because the mean of its divisors is an integer number (7837983607896).

Almost surely, 2^{123201113331211} is an apocalyptic number.

123201113331211 is a deficient number, since it is larger than the sum of its proper divisors (2206624395125).

123201113331211 is a wasteful number, since it uses less digits than its factorization.

123201113331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315498.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 123201113331211 its reverse (112133311102321), we get a palindrome (235334424433532).

The spelling of 123201113331211 in words is "one hundred twenty-three trillion, two hundred one billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred eleven".