1121012020099 has 2 divisors, whose sum is σ = 1121012020100. Its totient is φ = 1121012020098.

The previous prime is 1121012020087. The next prime is 1121012020133. The reversal of 1121012020099 is 9900202101211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121012020099 - 2⁷ = 1121012019971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121012020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560506010049 + 560506010050.

It is an arithmetic number, because the mean of its divisors is an integer number (560506010050).

Almost surely, 2^{1121012020099} is an apocalyptic number.

1121012020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121012020099 is an equidigital number, since it uses as much as digits as its factorization.

1121012020099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 1121012020099 in words is "one trillion, one hundred twenty-one billion, twelve million, twenty thousand, ninety-nine".