12101001021011 has 8 divisors (see below), whose sum is σ = 13833124337760. Its totient is φ = 10369729925568.

The previous prime is 12101001020987. The next prime is 12101001021017. The reversal of 12101001021011 is 11012010010121.

12101001021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101001021011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101001020983 and 12101001021001.

It is not an unprimeable number, because it can be changed into a prime (12101001021017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213024896 + ... + 213081693.

It is an arithmetic number, because the mean of its divisors is an integer number (1729140542220).

Almost surely, 2^{12101001021011} is an apocalyptic number.

12101001021011 is a deficient number, since it is larger than the sum of its proper divisors (1732123316749).

12101001021011 is an equidigital number, since it uses as much as digits as its factorization.

12101001021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426110653.

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

Adding to 12101001021011 its reverse (11012010010121), we get a palindrome (23113011031132).

The spelling of 12101001021011 in words is "twelve trillion, one hundred one billion, one million, twenty-one thousand, eleven".