1202020211211 has 4 divisors (see below), whose sum is σ = 1602693614952. Its totient is φ = 801346807472.

The previous prime is 1202020211201. The next prime is 1202020211219. The reversal of 1202020211211 is 1121120202021.

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 1202020211211 - 2¹³ = 1202020203019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202020211219) 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, 200336701866 + ... + 200336701871.

It is an arithmetic number, because the mean of its divisors is an integer number (400673403738).

Almost surely, 2^{1202020211211} is an apocalyptic number.

1202020211211 is a deficient number, since it is larger than the sum of its proper divisors (400673403741).

1202020211211 is an equidigital number, since it uses as much as digits as its factorization.

1202020211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400673403740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202020211211 its reverse (1121120202021), we get a palindrome (2323140413232).

The spelling of 1202020211211 in words is "one trillion, two hundred two billion, twenty million, two hundred eleven thousand, two hundred eleven".