12011011022101 has 16 divisors (see below), whose sum is σ = 14791215841024. Its totient is φ = 9497796269184.

The previous prime is 12011011022081. The next prime is 12011011022111. The reversal of 12011011022101 is 10122011011021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011011022101 - 2⁹ = 12011011021589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011011022111) 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, 37487121 + ... + 37806166.

It is an arithmetic number, because the mean of its divisors is an integer number (924450990064).

Almost surely, 2^{12011011022101} is an apocalyptic number.

It is an amenable number.

12011011022101 is a deficient number, since it is larger than the sum of its proper divisors (2780204818923).

12011011022101 is a wasteful number, since it uses less digits than its factorization.

12011011022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75295060.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011011022101 its reverse (10122011011021), we get a palindrome (22133022033122).

The spelling of 12011011022101 in words is "twelve trillion, eleven billion, eleven million, twenty-two thousand, one hundred one".