20112220022222 has 8 divisors (see below), whose sum is σ = 30168438989400. Its totient is φ = 10056073692424.

The previous prime is 20112220022207. The next prime is 20112220022243. The reversal of 20112220022222 is 22222002221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20112220022194 and 20112220022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17461772 + ... + 18577887.

It is an arithmetic number, because the mean of its divisors is an integer number (3771054873675).

Almost surely, 2^{20112220022222} is an apocalyptic number.

20112220022222 is a deficient number, since it is larger than the sum of its proper divisors (10056218967178).

20112220022222 is a wasteful number, since it uses less digits than its factorization.

20112220022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36318690.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20112220022222 its reverse (22222002221102), we get a palindrome (42334222243324).

The spelling of 20112220022222 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, twenty-two thousand, two hundred twenty-two".