2200221100121 has 4 divisors (see below), whose sum is σ = 2400241200144. Its totient is φ = 2000201000100.

The previous prime is 2200221100087. The next prime is 2200221100151. The reversal of 2200221100121 is 1210011220022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2200221100121 - 2¹⁴ = 2200221083737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2200221100096 and 2200221100105.

It is not an unprimeable number, because it can be changed into a prime (2200221100151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100010049995 + ... + 100010050016.

It is an arithmetic number, because the mean of its divisors is an integer number (600060300036).

Almost surely, 2^{2200221100121} is an apocalyptic number.

It is an amenable number.

2200221100121 is a deficient number, since it is larger than the sum of its proper divisors (200020100023).

2200221100121 is a wasteful number, since it uses less digits than its factorization.

2200221100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200020100022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2200221100121 its reverse (1210011220022), we get a palindrome (3410232320143).

The spelling of 2200221100121 in words is "two trillion, two hundred billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-one".