20221112122222 has 16 divisors (see below), whose sum is σ = 33104404576944. Its totient is φ = 9187161264000.

The previous prime is 20221112122153. The next prime is 20221112122241. The reversal of 20221112122222 is 22222121112202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20221112122193 and 20221112122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212618229 + ... + 212713312.

It is an arithmetic number, because the mean of its divisors is an integer number (2069025286059).

Almost surely, 2^{20221112122222} is an apocalyptic number.

20221112122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221112122222 is a deficient number, since it is larger than the sum of its proper divisors (12883292454722).

20221112122222 is a wasteful number, since it uses less digits than its factorization.

20221112122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425333715.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20221112122222 its reverse (22222121112202), we get a palindrome (42443233234424).

The spelling of 20221112122222 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".