2202111021 has 8 divisors (see below), whose sum is σ = 3203070624. Its totient is φ = 1334612720.

The previous prime is 2202110993. The next prime is 2202111029. The reversal of 2202111021 is 1201112022.

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 2202111021 - 2⁶ = 2202110957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202110988 and 2202111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202111029) 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, 33365286 + ... + 33365351.

It is an arithmetic number, because the mean of its divisors is an integer number (400383828).

Almost surely, 2^2202111021 is an apocalyptic number.

It is an amenable number.

2202111021 is a deficient number, since it is larger than the sum of its proper divisors (1000959603).

2202111021 is a wasteful number, since it uses less digits than its factorization.

2202111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66730651.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2202111021 is about 46926.6557619441. The cubic root of 2202111021 is about 1301.0073102071.

Adding to 2202111021 its reverse (1201112022), we get a palindrome (3403223043).

The spelling of 2202111021 in words is "two billion, two hundred two million, one hundred eleven thousand, twenty-one".