2200121 has 8 divisors (see below), whose sum is σ = 2743104. Its totient is φ = 1714320.

The previous prime is 2200103. The next prime is 2200139. The reversal of 2200121 is 1210022.

It is an interprime number because it is at equal distance from previous prime (2200103) and next prime (2200139).

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 2200121 - 2¹⁴ = 2183737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200099 and 2200108.

It is not an unprimeable number, because it can be changed into a prime (2200141) 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, 14210 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (342888).

2^2200121 is an apocalyptic number.

It is an amenable number.

2200121 is a deficient number, since it is larger than the sum of its proper divisors (542983).

2200121 is a wasteful number, since it uses less digits than its factorization.

2200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28591.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2200121 is about 1483.2804859500. The cubic root of 2200121 is about 130.0615290591.

Adding to 2200121 its reverse (1210022), we get a palindrome (3410143).

Subtracting from 2200121 its reverse (1210022), we obtain a palindrome (990099).

It can be divided in two parts, 22001 and 21, that added together give a palindrome (22022).

The spelling of 2200121 in words is "two million, two hundred thousand, one hundred twenty-one".