12101012011211 has 8 divisors (see below), whose sum is σ = 12222259081248. Its totient is φ = 11979793080000.

The previous prime is 12101012011199. The next prime is 12101012011213. The reversal of 12101012011211 is 11211021010121.

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-12101012011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101012011213) 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, 6169775 + ... + 7891016.

It is an arithmetic number, because the mean of its divisors is an integer number (1527782385156).

Almost surely, 2^{12101012011211} is an apocalyptic number.

12101012011211 is a deficient number, since it is larger than the sum of its proper divisors (121247070037).

12101012011211 is a wasteful number, since it uses less digits than its factorization.

12101012011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069413.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12101012011211 its reverse (11211021010121), we get a palindrome (23312033021332).

The spelling of 12101012011211 in words is "twelve trillion, one hundred one billion, twelve million, eleven thousand, two hundred eleven".