222100212101211 has 12 divisors (see below), whose sum is σ = 321034358024640. Its totient is φ = 147963912431280.

The previous prime is 222100212101167. The next prime is 222100212101263. The reversal of 222100212101211 is 112101212001222.

222100212101211 is a `hidden beast` number, since 2 + 221 + 0 + 0 + 21 + 210 + 1 + 211 = 666.

It is not a de Polignac number, because 222100212101211 - 2⁹ = 222100212100699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222100212101281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8574622680 + ... + 8574648581.

It is an arithmetic number, because the mean of its divisors is an integer number (26752863168720).

Almost surely, 2^{222100212101211} is an apocalyptic number.

222100212101211 is a deficient number, since it is larger than the sum of its proper divisors (98934145923429).

222100212101211 is a wasteful number, since it uses less digits than its factorization.

222100212101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17149272706 (or 17149272703 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222100212101211 its reverse (112101212001222), we get a palindrome (334201424102433).

The spelling of 222100212101211 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twelve million, one hundred one thousand, two hundred eleven".