222100221101211 has 12 divisors (see below), whose sum is σ = 323987781277680. Its totient is φ = 146600806006800.

The previous prime is 222100221101191. The next prime is 222100221101351. The reversal of 222100221101211 is 112101122001222.

222100221101211 is a `hidden beast` number, since 2 + 221 + 0 + 0 + 221 + 10 + 1 + 211 = 666.

It is not a de Polignac number, because 222100221101211 - 2¹⁰ = 222100221100187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222100221101411) 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, 122167337431 + ... + 122167339248.

It is an arithmetic number, because the mean of its divisors is an integer number (26998981773140).

Almost surely, 2^{222100221101211} is an apocalyptic number.

222100221101211 is a deficient number, since it is larger than the sum of its proper divisors (101887560176469).

222100221101211 is a wasteful number, since it uses less digits than its factorization.

222100221101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244334676786 (or 244334676783 counting only the distinct ones).

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

Adding to 222100221101211 its reverse (112101122001222), we get a palindrome (334201343102433).

The spelling of 222100221101211 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred one thousand, two hundred eleven".