2212100100121 has 8 divisors (see below), whose sum is σ = 2335012574400. Its totient is φ = 2089836241200.

The previous prime is 2212100100101. The next prime is 2212100100131. The reversal of 2212100100121 is 1210010012122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212100100121 - 2²⁹ = 2211563229209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212100100101) 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, 162146830 + ... + 162160471.

It is an arithmetic number, because the mean of its divisors is an integer number (291876571800).

Almost surely, 2^{2212100100121} is an apocalyptic number.

It is an amenable number.

2212100100121 is a deficient number, since it is larger than the sum of its proper divisors (122912474279).

2212100100121 is a wasteful number, since it uses less digits than its factorization.

2212100100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324307679.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2212100100121 its reverse (1210010012122), we get a palindrome (3422110112243).

It can be divided in two parts, 22 and 12100100121, that multiplied together give a palindrome (266202202662).

The spelling of 2212100100121 in words is "two trillion, two hundred twelve billion, one hundred million, one hundred thousand, one hundred twenty-one".