100222111121012 has 24 divisors (see below), whose sum is σ = 185712397000704. Its totient is φ = 47161639613312.

The previous prime is 100222111120969. The next prime is 100222111121017. The reversal of 100222111121012 is 210121111222001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222111121017) 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, 24774878 + ... + 28534869.

It is an arithmetic number, because the mean of its divisors is an integer number (7738016541696).

Almost surely, 2^{100222111121012} is an apocalyptic number.

It is an amenable number.

100222111121012 is a deficient number, since it is larger than the sum of its proper divisors (85490285879692).

100222111121012 is a wasteful number, since it uses less digits than its factorization.

100222111121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53337415 (or 53337413 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100222111121012 its reverse (210121111222001), we get a palindrome (310343222343013).

The spelling of 100222111121012 in words is "one hundred trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, twelve".