100221012121222 has 8 divisors (see below), whose sum is σ = 153530061122016. Its totient is φ = 49044325080552.

The previous prime is 100221012121201. The next prime is 100221012121261. The reversal of 100221012121222 is 222121210122001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100221012121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533090489913 + ... + 533090490100.

It is an arithmetic number, because the mean of its divisors is an integer number (19191257640252).

Almost surely, 2^{100221012121222} is an apocalyptic number.

100221012121222 is a deficient number, since it is larger than the sum of its proper divisors (53309049000794).

100221012121222 is a wasteful number, since it uses less digits than its factorization.

100221012121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066180980062.

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

Adding to 100221012121222 its reverse (222121210122001), we get a palindrome (322342222243223).

The spelling of 100221012121222 in words is "one hundred trillion, two hundred twenty-one billion, twelve million, one hundred twenty-one thousand, two hundred twenty-two".