12100011001011 has 8 divisors (see below), whose sum is σ = 17925942223760. Its totient is φ = 8066674000656.

The previous prime is 12100011001009. The next prime is 12100011001037. The reversal of 12100011001011 is 11010011000121.

It is not a de Polignac number, because 12100011001011 - 2¹ = 12100011001009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100011000984 and 12100011001002.

It is not an unprimeable number, because it can be changed into a prime (12100011001411) 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, 224074277770 + ... + 224074277823.

It is an arithmetic number, because the mean of its divisors is an integer number (2240742777970).

Almost surely, 2^{12100011001011} is an apocalyptic number.

12100011001011 is a deficient number, since it is larger than the sum of its proper divisors (5825931222749).

12100011001011 is an equidigital number, since it uses as much as digits as its factorization.

12100011001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448148555602 (or 448148555596 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12100011001011 its reverse (11010011000121), we get a palindrome (23110022001132).

The spelling of 12100011001011 in words is "twelve trillion, one hundred billion, eleven million, one thousand, eleven".