12101655011 has 2 divisors, whose sum is σ = 12101655012. Its totient is φ = 12101655010.

The previous prime is 12101655001. The next prime is 12101655029. The reversal of 12101655011 is 11055610121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101655011 - 2⁶ = 12101654947 is a prime.

It is a super-2 number, since 2×12101655011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12101655001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050827505 + 6050827506.

It is an arithmetic number, because the mean of its divisors is an integer number (6050827506).

Almost surely, 2^12101655011 is an apocalyptic number.

12101655011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101655011 is an equidigital number, since it uses as much as digits as its factorization.

12101655011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 23.

The spelling of 12101655011 in words is "twelve billion, one hundred one million, six hundred fifty-five thousand, eleven".