1202020122011 has 16 divisors (see below), whose sum is σ = 1231151616000. Its totient is φ = 1173041689248.

The previous prime is 1202020121999. The next prime is 1202020122049. The reversal of 1202020122011 is 1102210202021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202020122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202020122071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23313086 + ... + 23364588.

It is an arithmetic number, because the mean of its divisors is an integer number (76946976000).

Almost surely, 2^{1202020122011} is an apocalyptic number.

1202020122011 is a deficient number, since it is larger than the sum of its proper divisors (29131493989).

1202020122011 is an equidigital number, since it uses as much as digits as its factorization.

1202020122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52978.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202020122011 its reverse (1102210202021), we get a palindrome (2304230324032).

The spelling of 1202020122011 in words is "one trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, eleven".