1121000001211 has 2 divisors, whose sum is σ = 1121000001212. Its totient is φ = 1121000001210.

The previous prime is 1121000001203. The next prime is 1121000001221.

1121000001211 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (1121000001221) can be obtained adding 1121000001211 to its sum of digits (10).

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1121000001211 - 2³ = 1121000001203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121000001221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500000605 + 560500000606.

It is an arithmetic number, because the mean of its divisors is an integer number (560500000606).

Almost surely, 2^{1121000001211} is an apocalyptic number.

1121000001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121000001211 is an equidigital number, since it uses as much as digits as its factorization.

1121000001211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 112100000 and 1211, that added together give a palindrome (112101211).

The spelling of 1121000001211 in words is "one trillion, one hundred twenty-one billion, one thousand, two hundred eleven".