2100022210 has 32 divisors (see below), whose sum is σ = 4440889152. Its totient is φ = 704902080.

The previous prime is 2100022201. The next prime is 2100022217. The reversal of 2100022210 is 122200012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2100022217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732844 + ... + 735703.

It is an arithmetic number, because the mean of its divisors is an integer number (138777786).

Almost surely, 2^2100022210 is an apocalyptic number.

2100022210 is an abundant number, since it is smaller than the sum of its proper divisors (2340866942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100022210 is a wasteful number, since it uses less digits than its factorization.

2100022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468578.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2100022210 is about 45825.9992798848. Note that the first 3 decimals coincide. The cubic root of 2100022210 is about 1280.5836795213.

Adding to 2100022210 its reverse (122200012), we get a palindrome (2222222222).

It can be divided in two parts, 210002 and 2210, that added together give a palindrome (212212).

The spelling of 2100022210 in words is "two billion, one hundred million, twenty-two thousand, two hundred ten".