2211101200121 has 8 divisors (see below), whose sum is σ = 2416219624224. Its totient is φ = 2006667646720.

The previous prime is 2211101200111. The next prime is 2211101200127. The reversal of 2211101200121 is 1210021011122.

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

It is not a de Polignac number, because 2211101200121 - 2²⁶ = 2211034091257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211101200096 and 2211101200105.

It is not an unprimeable number, because it can be changed into a prime (2211101200127) 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, 171210920 + ... + 171223833.

It is an arithmetic number, because the mean of its divisors is an integer number (302027453028).

Almost surely, 2^{2211101200121} is an apocalyptic number.

It is an amenable number.

2211101200121 is a deficient number, since it is larger than the sum of its proper divisors (205118424103).

2211101200121 is a wasteful number, since it uses less digits than its factorization.

2211101200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342435351.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2211101200121 its reverse (1210021011122), we get a palindrome (3421122211243).

The spelling of 2211101200121 in words is "two trillion, two hundred eleven billion, one hundred one million, two hundred thousand, one hundred twenty-one".