222116210511 has 64 divisors (see below), whose sum is σ = 338618380800. Its totient is φ = 128378525184.

The previous prime is 222116210483. The next prime is 222116210513. The reversal of 222116210511 is 115012611222.

It is a happy number.

It is not a de Polignac number, because 222116210511 - 2¹¹ = 222116208463 is a prime.

It is a super-2 number, since 2×222116210511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222116210513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112576921 + ... + 112578893.

It is an arithmetic number, because the mean of its divisors is an integer number (5290912200).

Almost surely, 2^222116210511 is an apocalyptic number.

222116210511 is a deficient number, since it is larger than the sum of its proper divisors (116502170289).

222116210511 is a wasteful number, since it uses less digits than its factorization.

222116210511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 222116210511 its reverse (115012611222), we get a palindrome (337128821733).

The spelling of 222116210511 in words is "two hundred twenty-two billion, one hundred sixteen million, two hundred ten thousand, five hundred eleven".