20221211100222 has 48 divisors (see below), whose sum is σ = 49873659009408. Its totient is φ = 5861220607440.

The previous prime is 20221211100191. The next prime is 20221211100241. The reversal of 20221211100222 is 22200111212202.

It is a happy number.

20221211100222 is a `hidden beast` number, since 2 + 0 + 221 + 211 + 10 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20221211100195 and 20221211100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2220154768 + ... + 2220163875.

It is an arithmetic number, because the mean of its divisors is an integer number (1039034562696).

Almost surely, 2^{20221211100222} is an apocalyptic number.

20221211100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221211100222 is an abundant number, since it is smaller than the sum of its proper divisors (29652447909186).

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

20221211100222 is a wasteful number, since it uses less digits than its factorization.

20221211100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440318685 (or 4440318682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20221211100222 its reverse (22200111212202), we get a palindrome (42421322312424).

The spelling of 20221211100222 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, one hundred thousand, two hundred twenty-two".