1120211211121 has 2 divisors, whose sum is σ = 1120211211122. Its totient is φ = 1120211211120.

The previous prime is 1120211211107. The next prime is 1120211211157. The reversal of 1120211211121 is 1211121120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021433635600 + 98777575521 = 1010660^2 + 314289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120211211121 - 2²³ = 1120202822513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120211211095 and 1120211211104.

It is not a weakly prime, because it can be changed into another prime (1120211271121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560105605560 + 560105605561.

It is an arithmetic number, because the mean of its divisors is an integer number (560105605561).

Almost surely, 2^{1120211211121} is an apocalyptic number.

It is an amenable number.

1120211211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120211211121 is an equidigital number, since it uses as much as digits as its factorization.

1120211211121 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 16.

Adding to 1120211211121 its reverse (1211121120211), we get a palindrome (2331332331332).

The spelling of 1120211211121 in words is "one trillion, one hundred twenty billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty-one".