10611202221 has 12 divisors (see below), whose sum is σ = 15328584960. Its totient is φ = 7073538120.

The previous prime is 10611202207. The next prime is 10611202229. The reversal of 10611202221 is 12220211601.

10611202221 is a `hidden beast` number, since 10 + 611 + 2 + 0 + 22 + 21 = 666.

10611202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10611202221 - 2⁶ = 10611202157 is a prime.

It is a super-2 number, since 2×10611202221² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10611202194 and 10611202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10611202229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 80986 + ... + 166676.

It is an arithmetic number, because the mean of its divisors is an integer number (1277382080).

Almost surely, 2^10611202221 is an apocalyptic number.

It is an amenable number.

10611202221 is a deficient number, since it is larger than the sum of its proper divisors (4717382739).

10611202221 is a wasteful number, since it uses less digits than its factorization.

10611202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99456 (or 99453 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10611202221 its reverse (12220211601), we get a palindrome (22831413822).

The spelling of 10611202221 in words is "ten billion, six hundred eleven million, two hundred two thousand, two hundred twenty-one".