222120101211 has 32 divisors (see below), whose sum is σ = 300998810112. Its totient is φ = 145682634240.

The previous prime is 222120101191. The next prime is 222120101237. The reversal of 222120101211 is 112101021222.

It is not a de Polignac number, because 222120101211 - 2²² = 222115906907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120101251) 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 31 ways as a sum of consecutive naturals, for example, 32986401 + ... + 32993133.

It is an arithmetic number, because the mean of its divisors is an integer number (9406212816).

Almost surely, 2^222120101211 is an apocalyptic number.

222120101211 is a deficient number, since it is larger than the sum of its proper divisors (78878708901).

222120101211 is a wasteful number, since it uses less digits than its factorization.

222120101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523.

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

Adding to 222120101211 its reverse (112101021222), we get a palindrome (334221122433).

The spelling of 222120101211 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred one thousand, two hundred eleven".