222100221101012 has 24 divisors (see below), whose sum is σ = 402115256142600. Its totient is φ = 107210857815936.

The previous prime is 222100221100963. The next prime is 222100221101021. The reversal of 222100221101012 is 210101122001222.

It can be written as a sum of positive squares in 4 ways, for example, as 652369597636 + 221447851503376 = 807694^2 + 14881124^2 .

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, 87480383 + ... + 89983430.

It is an arithmetic number, because the mean of its divisors is an integer number (16754802339275).

Almost surely, 2^{222100221101012} is an apocalyptic number.

It is an amenable number.

222100221101012 is a deficient number, since it is larger than the sum of its proper divisors (180015035041588).

222100221101012 is a wasteful number, since it uses less digits than its factorization.

222100221101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177474635 (or 177474633 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222100221101012 its reverse (210101122001222), we get a palindrome (432201343102234).

The spelling of 222100221101012 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred one thousand, twelve".