202011211019999 has 4 divisors (see below), whose sum is σ = 202048365929064. Its totient is φ = 201974056110936.

The previous prime is 202011211019971. The next prime is 202011211020011. The reversal of 202011211019999 is 999910112110202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202011211019999 - 2¹⁶ = 202011210954463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011211019099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18577446377 + ... + 18577457250.

It is an arithmetic number, because the mean of its divisors is an integer number (50512091482266).

Almost surely, 2^{202011211019999} is an apocalyptic number.

202011211019999 is a deficient number, since it is larger than the sum of its proper divisors (37154909065).

202011211019999 is an equidigital number, since it uses as much as digits as its factorization.

202011211019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37154909064.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 202011211019999 in words is "two hundred two trillion, eleven billion, two hundred eleven million, nineteen thousand, nine hundred ninety-nine".