61040222220202 has 8 divisors (see below), whose sum is σ = 92814584472036. Its totient is φ = 30102027396192.

The previous prime is 61040222220151. The next prime is 61040222220253. The reversal of 61040222220202 is 20202222204016.

It is an interprime number because it is at equal distance from previous prime (61040222220151) and next prime (61040222220253).

It can be written as a sum of positive squares in 2 ways, for example, as 60438978611001 + 601243609201 = 7774251^2 + 775399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209041856773 + ... + 209041857064.

Almost surely, 2^{61040222220202} is an apocalyptic number.

61040222220202 is a deficient number, since it is larger than the sum of its proper divisors (31774362251834).

61040222220202 is a wasteful number, since it uses less digits than its factorization.

61040222220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418083713912.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 61040222220202 its reverse (20202222204016), we get a palindrome (81242444424218).

The spelling of 61040222220202 in words is "sixty-one trillion, forty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred two".