202020110112211 has 4 divisors (see below), whose sum is σ = 210803593160592. Its totient is φ = 193236627063832.

The previous prime is 202020110112193. The next prime is 202020110112217. The reversal of 202020110112211 is 112211011020202.

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 202020110112211 - 2⁵ = 202020110112179 is a prime.

It is a super-2 number, since 2×202020110112211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020110112217) 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 3 ways as a sum of consecutive naturals, for example, 4391741524156 + ... + 4391741524201.

It is an arithmetic number, because the mean of its divisors is an integer number (52700898290148).

Almost surely, 2^{202020110112211} is an apocalyptic number.

202020110112211 is a deficient number, since it is larger than the sum of its proper divisors (8783483048381).

202020110112211 is an equidigital number, since it uses as much as digits as its factorization.

202020110112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783483048380.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202020110112211 its reverse (112211011020202), we get a palindrome (314231121132413).

The spelling of 202020110112211 in words is "two hundred two trillion, twenty billion, one hundred ten million, one hundred twelve thousand, two hundred eleven".