1020202033211 has 4 divisors (see below), whose sum is σ = 1020252691272. Its totient is φ = 1020151375152.

The previous prime is 1020202033181. The next prime is 1020202033259. The reversal of 1020202033211 is 1123302020201.

1020202033211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020202033211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020202033211.

It is not an unprimeable number, because it can be changed into a prime (1020202033271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25298810 + ... + 25339103.

It is an arithmetic number, because the mean of its divisors is an integer number (255063172818).

Almost surely, 2^{1020202033211} is an apocalyptic number.

1020202033211 is a deficient number, since it is larger than the sum of its proper divisors (50658061).

1020202033211 is an equidigital number, since it uses as much as digits as its factorization.

1020202033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50658060.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020202033211 its reverse (1123302020201), we get a palindrome (2143504053412).

The spelling of 1020202033211 in words is "one trillion, twenty billion, two hundred two million, thirty-three thousand, two hundred eleven".