100211221120012 has 24 divisors (see below), whose sum is σ = 175585772116832. Its totient is φ = 50043859776000.

The previous prime is 100211221120007. The next prime is 100211221120037. The reversal of 100211221120012 is 210021122112001.

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, 216253762 + ... + 216716662.

Almost surely, 2^{100211221120012} is an apocalyptic number.

It is an amenable number.

100211221120012 is a deficient number, since it is larger than the sum of its proper divisors (75374550996820).

100211221120012 is a wasteful number, since it uses less digits than its factorization.

100211221120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529489 (or 529487 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100211221120012 its reverse (210021122112001), we get a palindrome (310232343232013).

It can be divided in two parts, 10021122112001 and 2, that multiplied together give a palindrome (20042244224002).

The spelling of 100211221120012 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty thousand, twelve".