23011311132222 has 64 divisors (see below), whose sum is σ = 57274717939200. Its totient is φ = 6013845371520.

The previous prime is 23011311132221. The next prime is 23011311132233. The reversal of 23011311132222 is 22223111311032.

It is a junction number, because it is equal to n+sod(n) for n = 23011311132192 and 23011311132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011311132221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497153229 + ... + 497199512.

It is an arithmetic number, because the mean of its divisors is an integer number (894917467800).

Almost surely, 2^{23011311132222} is an apocalyptic number.

23011311132222 is an abundant number, since it is smaller than the sum of its proper divisors (34263406806978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23011311132222 is a wasteful number, since it uses less digits than its factorization.

23011311132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994352801.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23011311132222 its reverse (22223111311032), we get a palindrome (45234422443254).

The spelling of 23011311132222 in words is "twenty-three trillion, eleven billion, three hundred eleven million, one hundred thirty-two thousand, two hundred twenty-two".