1206111110131 has 2 divisors, whose sum is σ = 1206111110132. Its totient is φ = 1206111110130.

The previous prime is 1206111110119. The next prime is 1206111110159. The reversal of 1206111110131 is 1310111116021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1206111110131 - 2³⁹ = 656355296243 is a prime.

It is a super-2 number, since 2×1206111110131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1206111110099 and 1206111110108.

It is not a weakly prime, because it can be changed into another prime (1206111110161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603055555065 + 603055555066.

It is an arithmetic number, because the mean of its divisors is an integer number (603055555066).

Almost surely, 2^{1206111110131} is an apocalyptic number.

1206111110131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206111110131 is an equidigital number, since it uses as much as digits as its factorization.

1206111110131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 1206111110131 its reverse (1310111116021), we get a palindrome (2516222226152).

The spelling of 1206111110131 in words is "one trillion, two hundred six billion, one hundred eleven million, one hundred ten thousand, one hundred thirty-one".