2202111020201 has 4 divisors (see below), whose sum is σ = 2202147209172. Its totient is φ = 2202074831232.

The previous prime is 2202111020147. The next prime is 2202111020227. The reversal of 2202111020201 is 1020201112022.

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 788009514601 + 1414101505600 = 887699^2 + 1189160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202111020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202111020281) 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, 18003056 + ... + 18124961.

It is an arithmetic number, because the mean of its divisors is an integer number (550536802293).

Almost surely, 2^{2202111020201} is an apocalyptic number.

It is an amenable number.

2202111020201 is a deficient number, since it is larger than the sum of its proper divisors (36188971).

2202111020201 is an equidigital number, since it uses as much as digits as its factorization.

2202111020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36188970.

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

Adding to 2202111020201 its reverse (1020201112022), we get a palindrome (3222312132223).

The spelling of 2202111020201 in words is "two trillion, two hundred two billion, one hundred eleven million, twenty thousand, two hundred one".