12201000001011 has 6 divisors (see below), whose sum is σ = 17623666668140. Its totient is φ = 8134000000668.

The previous prime is 12201000000979. The next prime is 12201000001031. The reversal of 12201000001011 is 11010000010221.

It is a happy number.

12201000001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12201000001011 - 2⁵ = 12201000000979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1355666666779 = 12201000001011 / (1 + 2 + 2 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201000000984 and 12201000001002.

It is not an unprimeable number, because it can be changed into a prime (12201000001031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 677833333381 + ... + 677833333398.

Almost surely, 2^{12201000001011} is an apocalyptic number.

12201000001011 is a deficient number, since it is larger than the sum of its proper divisors (5422666667129).

12201000001011 is a wasteful number, since it uses less digits than its factorization.

12201000001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355666666785 (or 1355666666782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12201000001011 its reverse (11010000010221), we get a palindrome (23211000011232).

The spelling of 12201000001011 in words is "twelve trillion, two hundred one billion, one thousand, eleven".