12011003231101 has 32 divisors (see below), whose sum is σ = 14583304604160. Its totient is φ = 9670217508864.

The previous prime is 12011003231023. The next prime is 12011003231107. The reversal of 12011003231101 is 10113230011021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011003231101 - 2⁷ = 12011003230973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011003231107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460101 + ... + 4922773.

It is an arithmetic number, because the mean of its divisors is an integer number (455728268880).

Almost surely, 2^{12011003231101} is an apocalyptic number.

It is an amenable number.

12011003231101 is a deficient number, since it is larger than the sum of its proper divisors (2572301373059).

12011003231101 is a wasteful number, since it uses less digits than its factorization.

12011003231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463005.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12011003231101 its reverse (10113230011021), we get a palindrome (22124233242122).

The spelling of 12011003231101 in words is "twelve trillion, eleven billion, three million, two hundred thirty-one thousand, one hundred one".