12101011020101 has 16 divisors (see below), whose sum is σ = 12998689964928. Its totient is φ = 11224115750400.

The previous prime is 12101011020071. The next prime is 12101011020191. The reversal of 12101011020101 is 10102011010121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101011020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101011020191) 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, 830921 + ... + 4989233.

It is an arithmetic number, because the mean of its divisors is an integer number (812418122808).

Almost surely, 2^{12101011020101} is an apocalyptic number.

It is an amenable number.

12101011020101 is a deficient number, since it is larger than the sum of its proper divisors (897678944827).

12101011020101 is a wasteful number, since it uses less digits than its factorization.

12101011020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160812.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101011020101 its reverse (10102011010121), we get a palindrome (22203022030222).

The spelling of 12101011020101 in words is "twelve trillion, one hundred one billion, eleven million, twenty thousand, one hundred one".