12101011211 has 8 divisors (see below), whose sum is σ = 12137558400. Its totient is φ = 12064519552.

The previous prime is 12101011207. The next prime is 12101011243. The reversal of 12101011211 is 11211010121.

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

It is a cyclic number.

It is not a de Polignac number, because 12101011211 - 2² = 12101011207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101011192 and 12101011201.

It is not an unprimeable number, because it can be changed into a prime (12101011261) 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, 445190 + ... + 471588.

It is an arithmetic number, because the mean of its divisors is an integer number (1517194800).

Almost surely, 2^12101011211 is an apocalyptic number.

12101011211 is a deficient number, since it is larger than the sum of its proper divisors (36547189).

12101011211 is an equidigital number, since it uses as much as digits as its factorization.

12101011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27765.

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

Adding to 12101011211 its reverse (11211010121), we get a palindrome (23312021332).

The spelling of 12101011211 in words is "twelve billion, one hundred one million, eleven thousand, two hundred eleven".