100121222000001 has 16 divisors (see below), whose sum is σ = 137105367980544. Its totient is φ = 64942342712064.

The previous prime is 100121221999937. The next prime is 100121222000011. The reversal of 100121222000001 is 100000222121001.

It is not a de Polignac number, because 100121222000001 - 2⁶ = 100121221999937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121222000011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699896 + ... + 14252441.

It is an arithmetic number, because the mean of its divisors is an integer number (8569085498784).

Almost surely, 2^{100121222000001} is an apocalyptic number.

It is an amenable number.

100121222000001 is a deficient number, since it is larger than the sum of its proper divisors (36984145980543).

100121222000001 is a wasteful number, since it uses less digits than its factorization.

100121222000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008920.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100121222000001 its reverse (100000222121001), we get a palindrome (200121444121002).

The spelling of 100121222000001 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-two million, one", and thus it is an aban number.