20112200222 has 4 divisors (see below), whose sum is σ = 30168300336. Its totient is φ = 10056100110.

The previous prime is 20112200209. The next prime is 20112200333. The reversal of 20112200222 is 22200221102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22200221102 = 2 ⋅11100110551.

It is a junction number, because it is equal to n+sod(n) for n = 20112200197 and 20112200206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028050054 + ... + 5028050057.

It is an arithmetic number, because the mean of its divisors is an integer number (7542075084).

Almost surely, 2^20112200222 is an apocalyptic number.

20112200222 is a deficient number, since it is larger than the sum of its proper divisors (10056100114).

20112200222 is a wasteful number, since it uses less digits than its factorization.

20112200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056100113.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20112200222 its reverse (22200221102), we get a palindrome (42312421324).

The spelling of 20112200222 in words is "twenty billion, one hundred twelve million, two hundred thousand, two hundred twenty-two".