1011020202119 has 2 divisors, whose sum is σ = 1011020202120. Its totient is φ = 1011020202118.

The previous prime is 1011020202043. The next prime is 1011020202169. The reversal of 1011020202119 is 9112020201101.

It is a strong prime.

It is an emirp because it is prime and its reverse (9112020201101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011020202119 is a prime.

It is a super-2 number, since 2×1011020202119² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011020202119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011020202169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510101059 + 505510101060.

It is an arithmetic number, because the mean of its divisors is an integer number (505510101060).

Almost surely, 2^{1011020202119} is an apocalyptic number.

1011020202119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020202119 is an equidigital number, since it uses as much as digits as its factorization.

1011020202119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1011020202119 in words is "one trillion, eleven billion, twenty million, two hundred two thousand, one hundred nineteen".