1122121020011 has 2 divisors, whose sum is σ = 1122121020012. Its totient is φ = 1122121020010.

The previous prime is 1122121019953. The next prime is 1122121020037. The reversal of 1122121020011 is 1100201212211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1100201212211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122121020011 - 2³⁴ = 1104941150827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1122121020071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561060510005 + 561060510006.

It is an arithmetic number, because the mean of its divisors is an integer number (561060510006).

Almost surely, 2^{1122121020011} is an apocalyptic number.

1122121020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122121020011 is an equidigital number, since it uses as much as digits as its factorization.

1122121020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122121020011 its reverse (1100201212211), we get a palindrome (2222322232222).

The spelling of 1122121020011 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty thousand, eleven".