202220111102201 has 4 divisors (see below), whose sum is σ = 207152308934004. Its totient is φ = 197287913270400.

The previous prime is 202220111102197. The next prime is 202220111102227. The reversal of 202220111102201 is 102201111022202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114146766234601 + 88073344867600 = 10683949^2 + 9384740^2 .

It is a cyclic number.

It is not a de Polignac number, because 202220111102201 - 2² = 202220111102197 is a prime.

It is a super-2 number, since 2×202220111102201² (a number of 29 digits) contains 22 as substring.

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 202220111102201.

It is not an unprimeable number, because it can be changed into a prime (202220111102291) 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, 2466098915840 + ... + 2466098915921.

It is an arithmetic number, because the mean of its divisors is an integer number (51788077233501).

Almost surely, 2^{202220111102201} is an apocalyptic number.

It is an amenable number.

202220111102201 is a deficient number, since it is larger than the sum of its proper divisors (4932197831803).

202220111102201 is an equidigital number, since it uses as much as digits as its factorization.

202220111102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932197831802.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202220111102201 its reverse (102201111022202), we get a palindrome (304421222124403).

The spelling of 202220111102201 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred two thousand, two hundred one".