2102202211 has 4 divisors (see below), whose sum is σ = 2115592192. Its totient is φ = 2088812232.

The previous prime is 2102202209. The next prime is 2102202233. The reversal of 2102202211 is 1122022012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102202211 - 2¹ = 2102202209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102202191 and 2102202200.

It is not an unprimeable number, because it can be changed into a prime (2102202811) 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, 6694755 + ... + 6695068.

It is an arithmetic number, because the mean of its divisors is an integer number (528898048).

Almost surely, 2^2102202211 is an apocalyptic number.

2102202211 is a deficient number, since it is larger than the sum of its proper divisors (13389981).

2102202211 is a wasteful number, since it uses less digits than its factorization.

2102202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13389980.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2102202211 is about 45849.7787453767. The cubic root of 2102202211 is about 1281.0266444016.

Adding to 2102202211 its reverse (1122022012), we get a palindrome (3224224223).

The spelling of 2102202211 in words is "two billion, one hundred two million, two hundred two thousand, two hundred eleven".