1122121012099 has 2 divisors, whose sum is σ = 1122121012100. Its totient is φ = 1122121012098.

The previous prime is 1122121012079. The next prime is 1122121012123. The reversal of 1122121012099 is 9902101212211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122121012099 - 2¹³ = 1122121003907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122121012099.

It is not a weakly prime, because it can be changed into another prime (1122121012079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561060506049 + 561060506050.

It is an arithmetic number, because the mean of its divisors is an integer number (561060506050).

Almost surely, 2^{1122121012099} is an apocalyptic number.

1122121012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122121012099 is an equidigital number, since it uses as much as digits as its factorization.

1122121012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 1122121012099 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, twelve thousand, ninety-nine".