12221010232011 has 48 divisors (see below), whose sum is σ = 21831198165504. Its totient is φ = 6679806813504.

The previous prime is 12221010231967. The next prime is 12221010232021. The reversal of 12221010232011 is 11023201012221.

12221010232011 is a `hidden beast` number, since 1 + 22 + 210 + 102 + 320 + 11 = 666.

It is not a de Polignac number, because 12221010232011 - 2¹⁰ = 12221010230987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221010232021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156147906 + ... + 156226151.

It is an arithmetic number, because the mean of its divisors is an integer number (454816628448).

Almost surely, 2^{12221010232011} is an apocalyptic number.

12221010232011 is a deficient number, since it is larger than the sum of its proper divisors (9610187933493).

12221010232011 is an equidigital number, since it uses as much as digits as its factorization.

12221010232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312374102 (or 312374090 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12221010232011 its reverse (11023201012221), we get a palindrome (23244211244232).

The spelling of 12221010232011 in words is "twelve trillion, two hundred twenty-one billion, ten million, two hundred thirty-two thousand, eleven".