222122101021012 has 24 divisors (see below), whose sum is σ = 402602660296200. Its totient is φ = 107102008814976.

The previous prime is 222122101020947. The next prime is 222122101021013. The reversal of 222122101021012 is 210120101221222.

It can be written as a sum of positive squares in 4 ways, for example, as 53896946834116 + 168225154186896 = 7341454^2 + 12970164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122101021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154816803 + ... + 1155009130.

It is an arithmetic number, because the mean of its divisors is an integer number (16775110845675).

Almost surely, 2^{222122101021012} is an apocalyptic number.

It is an amenable number.

222122101021012 is a deficient number, since it is larger than the sum of its proper divisors (180480559275188).

222122101021012 is a wasteful number, since it uses less digits than its factorization.

222122101021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309826795 (or 2309826793 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222122101021012 its reverse (210120101221222), we get a palindrome (432242202242234).

The spelling of 222122101021012 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred one million, twenty-one thousand, twelve".