222100101111212 has 24 divisors (see below), whose sum is σ = 396978074383296. Its totient is φ = 108678189535488.

The previous prime is 222100101111211. The next prime is 222100101111223. The reversal of 222100101111212 is 212111101001222.

It is a super-2 number, since 2×222100101111212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222100101111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47170703 + ... + 51665030.

It is an arithmetic number, because the mean of its divisors is an integer number (16540753099304).

Almost surely, 2^{222100101111212} is an apocalyptic number.

It is an amenable number.

222100101111212 is a deficient number, since it is larger than the sum of its proper divisors (174877973272084).

222100101111212 is a wasteful number, since it uses less digits than its factorization.

222100101111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98847737 (or 98847735 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222100101111212 its reverse (212111101001222), we get a palindrome (434211202112434).

The spelling of 222100101111212 in words is "two hundred twenty-two trillion, one hundred billion, one hundred one million, one hundred eleven thousand, two hundred twelve".