2202211200121 has 4 divisors (see below), whose sum is σ = 2202749510544. Its totient is φ = 2201672889700.

The previous prime is 2202211200071. The next prime is 2202211200143. The reversal of 2202211200121 is 1210021122022.

It is a happy number.

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 2202211200121 - 2¹¹ = 2202211198073 is a prime.

It is a super-2 number, since 2×2202211200121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202211200095 and 2202211200104.

It is not an unprimeable number, because it can be changed into a prime (2202211200181) 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, 269149075 + ... + 269157256.

It is an arithmetic number, because the mean of its divisors is an integer number (550687377636).

Almost surely, 2^{2202211200121} is an apocalyptic number.

It is an amenable number.

2202211200121 is a deficient number, since it is larger than the sum of its proper divisors (538310423).

2202211200121 is an equidigital number, since it uses as much as digits as its factorization.

2202211200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538310422.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202211200121 its reverse (1210021122022), we get a palindrome (3412232322143).

The spelling of 2202211200121 in words is "two trillion, two hundred two billion, two hundred eleven million, two hundred thousand, one hundred twenty-one".