20202201021011 has 4 divisors (see below), whose sum is σ = 20202244403712. Its totient is φ = 20202157638312.

The previous prime is 20202201021001. The next prime is 20202201021053. The reversal of 20202201021011 is 11012010220202.

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 20202201021011 - 2¹⁸ = 20202200758867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202201021001) 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, 20985176 + ... + 21926741.

It is an arithmetic number, because the mean of its divisors is an integer number (5050561100928).

Almost surely, 2^{20202201021011} is an apocalyptic number.

20202201021011 is a deficient number, since it is larger than the sum of its proper divisors (43382701).

20202201021011 is an equidigital number, since it uses as much as digits as its factorization.

20202201021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43382700.

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

Adding to 20202201021011 its reverse (11012010220202), we get a palindrome (31214211241213).

The spelling of 20202201021011 in words is "twenty trillion, two hundred two billion, two hundred one million, twenty-one thousand, eleven".