220202201102201 has 4 divisors (see below), whose sum is σ = 221418787848804. Its totient is φ = 218985614355600.

The previous prime is 220202201102137. The next prime is 220202201102231. The reversal of 220202201102201 is 102201102202022.

It is a happy number.

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 2645011069801 + 217557190032400 = 1626349^2 + 14749820^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202201102201 - 2⁶ = 220202201102137 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 220202201102201.

It is not an unprimeable number, because it can be changed into a prime (220202201102231) 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, 608293373030 + ... + 608293373391.

It is an arithmetic number, because the mean of its divisors is an integer number (55354696962201).

Almost surely, 2^{220202201102201} is an apocalyptic number.

It is an amenable number.

220202201102201 is a deficient number, since it is larger than the sum of its proper divisors (1216586746603).

220202201102201 is a wasteful number, since it uses less digits than its factorization.

220202201102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216586746602.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220202201102201 its reverse (102201102202022), we get a palindrome (322403303304223).

The spelling of 220202201102201 in words is "two hundred twenty trillion, two hundred two billion, two hundred one million, one hundred two thousand, two hundred one".