1122121020071 has 2 divisors, whose sum is σ = 1122121020072. Its totient is φ = 1122121020070.

The previous prime is 1122121020049. The next prime is 1122121020169. The reversal of 1122121020071 is 1700201212211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122121020071 - 2¹⁴ = 1122121003687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122121020011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561060510035 + 561060510036.

It is an arithmetic number, because the mean of its divisors is an integer number (561060510036).

Almost surely, 2^{1122121020071} is an apocalyptic number.

1122121020071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122121020071 is an equidigital number, since it uses as much as digits as its factorization.

1122121020071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1122121020071 its reverse (1700201212211), we get a palindrome (2822322232282).

The spelling of 1122121020071 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty thousand, seventy-one".