222101100122202 has 36 divisors (see below), whose sum is σ = 559785425820426. Its totient is φ = 63457457177520.

The previous prime is 222101100122197. The next prime is 222101100122233. The reversal of 222101100122202 is 202221001101222.

It is a happy number.

222101100122202 is a `hidden beast` number, since 22 + 210 + 110 + 0 + 122 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 155255612145921 + 66845487976281 = 12460161^2 + 8175909^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 125907652249 + ... + 125907654012.

Almost surely, 2^{222101100122202} is an apocalyptic number.

222101100122202 is an abundant number, since it is smaller than the sum of its proper divisors (337684325698224).

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

222101100122202 is a wasteful number, since it uses less digits than its factorization.

222101100122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251815306283 (or 251815306273 counting only the distinct ones).

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

Adding to 222101100122202 its reverse (202221001101222), we get a palindrome (424322101223424).

The spelling of 222101100122202 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, one hundred twenty-two thousand, two hundred two".