222001101212 has 24 divisors (see below), whose sum is σ = 423836878080. Its totient is φ = 100905640560.

The previous prime is 222001101197. The next prime is 222001101233. The reversal of 222001101212 is 212101100222.

It is a super-3 number, since 3×222001101212³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242413 + ... + 1409819.

It is an arithmetic number, because the mean of its divisors is an integer number (17659869920).

Almost surely, 2^222001101212 is an apocalyptic number.

222001101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222001101212 is a deficient number, since it is larger than the sum of its proper divisors (201835776868).

222001101212 is a wasteful number, since it uses less digits than its factorization.

222001101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197561 (or 197559 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222001101212 its reverse (212101100222), we get a palindrome (434102201434).

The spelling of 222001101212 in words is "two hundred twenty-two billion, one million, one hundred one thousand, two hundred twelve".