202220011 has 6 divisors (see below), whose sum is σ = 235235580. Its totient is φ = 173331396.

The previous prime is 202220009. The next prime is 202220027. The reversal of 202220011 is 110022202.

202220011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202220011 - 2¹ = 202220009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202220011.

It is not an unprimeable number, because it can be changed into a prime (202220041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2063421 + ... + 2063518.

It is an arithmetic number, because the mean of its divisors is an integer number (39205930).

Almost surely, 2^202220011 is an apocalyptic number.

202220011 is a deficient number, since it is larger than the sum of its proper divisors (33015569).

202220011 is an equidigital number, since it uses as much as digits as its factorization.

202220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126953 (or 4126946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 202220011 is about 14220.4082571493. The cubic root of 202220011 is about 586.9593744588.

Adding to 202220011 its reverse (110022202), we get a palindrome (312242213).

The spelling of 202220011 in words is "two hundred two million, two hundred twenty thousand, eleven".