222100121211 has 8 divisors (see below), whose sum is σ = 296195427840. Its totient is φ = 148035781032.

The previous prime is 222100121203. The next prime is 222100121231. The reversal of 222100121211 is 112121001222.

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

It is not a de Polignac number, because 222100121211 - 2³ = 222100121203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222100121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724871 + ... + 7753568.

It is an arithmetic number, because the mean of its divisors is an integer number (37024428480).

Almost surely, 2^222100121211 is an apocalyptic number.

222100121211 is a deficient number, since it is larger than the sum of its proper divisors (74095306629).

222100121211 is a wasteful number, since it uses less digits than its factorization.

222100121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15483225.

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

Adding to 222100121211 its reverse (112121001222), we get a palindrome (334221122433).

The spelling of 222100121211 in words is "two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred eleven".