2200000121 has 8 divisors (see below), whose sum is σ = 2417268000. Its totient is φ = 1985610240.

The previous prime is 2200000109. The next prime is 2200000133. The reversal of 2200000121 is 1210000022.

It is an interprime number because it is at equal distance from previous prime (2200000109) and next prime (2200000133).

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 2200000121 - 2²² = 2195805817 is a prime.

It is a Duffinian number.

2200000121 is a modest number, since divided by 121 gives 22 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2200000099 and 2200000108.

It is not an unprimeable number, because it can be changed into a prime (2200000171) 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, 717896 + ... + 720953.

It is an arithmetic number, because the mean of its divisors is an integer number (302158500).

Almost surely, 2^2200000121 is an apocalyptic number.

It is an amenable number.

2200000121 is a deficient number, since it is larger than the sum of its proper divisors (217267879).

2200000121 is a wasteful number, since it uses less digits than its factorization.

2200000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438999.

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

The square root of 2200000121 is about 46904.1588880986. The cubic root of 2200000121 is about 1300.5914706956.

Adding to 2200000121 its reverse (1210000022), we get a palindrome (3410000143).

Subtracting from 2200000121 its reverse (1210000022), we obtain a palindrome (990000099).

It can be divided in two parts, 22000001 and 21, that added together give a palindrome (22000022).

The spelling of 2200000121 in words is "two billion, two hundred million, one hundred twenty-one", and thus it is an aban number.