1202021111899 has 2 divisors, whose sum is σ = 1202021111900. Its totient is φ = 1202021111898.

The previous prime is 1202021111897. The next prime is 1202021111947. The reversal of 1202021111899 is 9981111202021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202021111899 - 2¹ = 1202021111897 is a prime.

Together with 1202021111897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1202021111897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601010555949 + 601010555950.

It is an arithmetic number, because the mean of its divisors is an integer number (601010555950).

Almost surely, 2^{1202021111899} is an apocalyptic number.

1202021111899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202021111899 is an equidigital number, since it uses as much as digits as its factorization.

1202021111899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 1202021111899 in words is "one trillion, two hundred two billion, twenty-one million, one hundred eleven thousand, eight hundred ninety-nine".