611220201104 has 20 divisors (see below), whose sum is σ = 1184282306364. Its totient is φ = 305598960768.

The previous prime is 611220201077. The next prime is 611220201161. The reversal of 611220201104 is 401102022116.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 564079106704 + 47141094400 = 751052^2 + 217120^2 .

It is a super-2 number, since 2×611220201104² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234287 + ... + 1130190.

Almost surely, 2^611220201104 is an apocalyptic number.

It is an amenable number.

611220201104 is a deficient number, since it is larger than the sum of its proper divisors (573062105260).

611220201104 is a wasteful number, since it uses less digits than its factorization.

611220201104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392482 (or 1392476 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The spelling of 611220201104 in words is "six hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred four".