1122020199871 has 2 divisors, whose sum is σ = 1122020199872. Its totient is φ = 1122020199870.

The previous prime is 1122020199847. The next prime is 1122020199941. The reversal of 1122020199871 is 1789910202211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122020199871 - 2¹³ = 1122020191679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122020199371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010099935 + 561010099936.

It is an arithmetic number, because the mean of its divisors is an integer number (561010099936).

Almost surely, 2^{1122020199871} is an apocalyptic number.

1122020199871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122020199871 is an equidigital number, since it uses as much as digits as its factorization.

1122020199871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 1122020199871 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred ninety-nine thousand, eight hundred seventy-one".