100111221122012 has 6 divisors (see below), whose sum is σ = 175194636963528. Its totient is φ = 50055610561004.

The previous prime is 100111221122009. The next prime is 100111221122021. The reversal of 100111221122012 is 210221122111001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513902640248 + ... + 12513902640255.

It is an arithmetic number, because the mean of its divisors is an integer number (29199106160588).

Almost surely, 2^{100111221122012} is an apocalyptic number.

It is an amenable number.

100111221122012 is a deficient number, since it is larger than the sum of its proper divisors (75083415841516).

100111221122012 is a wasteful number, since it uses less digits than its factorization.

100111221122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027805280507 (or 25027805280505 counting only the distinct ones).

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

Adding to 100111221122012 its reverse (210221122111001), we get a palindrome (310332343233013).

The spelling of 100111221122012 in words is "one hundred trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, twelve".