20202100220011 has 4 divisors (see below), whose sum is σ = 20202670823392. Its totient is φ = 20201529616632.

The previous prime is 20202100219991. The next prime is 20202100220021. The reversal of 20202100220011 is 11002200120202.

It is a happy number.

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 20202100220011 - 2⁵ = 20202100219979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20202100219973 and 20202100220000.

It is not an unprimeable number, because it can be changed into a prime (20202100220021) 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, 285248580 + ... + 285319393.

It is an arithmetic number, because the mean of its divisors is an integer number (5050667705848).

Almost surely, 2^{20202100220011} is an apocalyptic number.

20202100220011 is a deficient number, since it is larger than the sum of its proper divisors (570603381).

20202100220011 is an equidigital number, since it uses as much as digits as its factorization.

20202100220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570603380.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20202100220011 its reverse (11002200120202), we get a palindrome (31204300340213).

The spelling of 20202100220011 in words is "twenty trillion, two hundred two billion, one hundred million, two hundred twenty thousand, eleven".