222112100201001 has 4 divisors (see below), whose sum is σ = 296149466934672. Its totient is φ = 148074733467332.

The previous prime is 222112100200979. The next prime is 222112100201003. The reversal of 222112100201001 is 100102001211222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222112100201001 - 2¹⁴ = 222112100184617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222112100201003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37018683366831 + ... + 37018683366836.

It is an arithmetic number, because the mean of its divisors is an integer number (74037366733668).

Almost surely, 2^{222112100201001} is an apocalyptic number.

It is an amenable number.

222112100201001 is a deficient number, since it is larger than the sum of its proper divisors (74037366733671).

222112100201001 is an equidigital number, since it uses as much as digits as its factorization.

222112100201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74037366733670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222112100201001 its reverse (100102001211222), we get a palindrome (322214101412223).

The spelling of 222112100201001 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred million, two hundred one thousand, one".