1011021201199 has 2 divisors, whose sum is σ = 1011021201200. Its totient is φ = 1011021201198.

The previous prime is 1011021201083. The next prime is 1011021201227. The reversal of 1011021201199 is 9911021201101.

It is a happy number.

It is an a-pointer prime, because the next prime (1011021201227) can be obtained adding 1011021201199 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011021201199 - 2⁹ = 1011021200687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011021201299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510600599 + 505510600600.

It is an arithmetic number, because the mean of its divisors is an integer number (505510600600).

Almost surely, 2^{1011021201199} is an apocalyptic number.

1011021201199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011021201199 is an equidigital number, since it uses as much as digits as its factorization.

1011021201199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 1011021201199 in words is "one trillion, eleven billion, twenty-one million, two hundred one thousand, one hundred ninety-nine".