21020202201011 has 32 divisors (see below), whose sum is σ = 22918301952000. Its totient is φ = 19163945623680.

The previous prime is 21020202201007. The next prime is 21020202201049. The reversal of 21020202201011 is 11010220202012.

It is not a de Polignac number, because 21020202201011 - 2² = 21020202201007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21020202201091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421974296 + ... + 422024106.

It is an arithmetic number, because the mean of its divisors is an integer number (716196936000).

Almost surely, 2^{21020202201011} is an apocalyptic number.

21020202201011 is a deficient number, since it is larger than the sum of its proper divisors (1898099750989).

21020202201011 is a wasteful number, since it uses less digits than its factorization.

21020202201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51219.

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

Adding to 21020202201011 its reverse (11010220202012), we get a palindrome (32030422403023).

The spelling of 21020202201011 in words is "twenty-one trillion, twenty billion, two hundred two million, two hundred one thousand, eleven".