1211120001163 has 2 divisors, whose sum is σ = 1211120001164. Its totient is φ = 1211120001162.

The previous prime is 1211120001151. The next prime is 1211120001251. The reversal of 1211120001163 is 3611000211121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211120001163 - 2¹⁷ = 1211119870091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1211120001163.

It is not a weakly prime, because it can be changed into another prime (1211120001263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605560000581 + 605560000582.

It is an arithmetic number, because the mean of its divisors is an integer number (605560000582).

Almost surely, 2^{1211120001163} is an apocalyptic number.

1211120001163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211120001163 is an equidigital number, since it uses as much as digits as its factorization.

1211120001163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1211120001163 its reverse (3611000211121), we get a palindrome (4822120212284).

The spelling of 1211120001163 in words is "one trillion, two hundred eleven billion, one hundred twenty million, one thousand, one hundred sixty-three".