222101220222212 has 24 divisors (see below), whose sum is σ = 390322559299680. Its totient is φ = 110580708744000.

The previous prime is 222101220222137. The next prime is 222101220222221. The reversal of 222101220222212 is 212222022101222.

It is a super-3 number, since 3×222101220222212³ (a number of 44 digits) contains 333 as substring.

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, 23423537 + ... + 31509752.

It is an arithmetic number, because the mean of its divisors is an integer number (16263439970820).

Almost surely, 2^{222101220222212} is an apocalyptic number.

It is an amenable number.

222101220222212 is a deficient number, since it is larger than the sum of its proper divisors (168221339077468).

222101220222212 is a wasteful number, since it uses less digits than its factorization.

222101220222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54937571 (or 54937569 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222101220222212 its reverse (212222022101222), we get a palindrome (434323242323434).

The spelling of 222101220222212 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twelve".