2102211010 has 8 divisors (see below), whose sum is σ = 3783979836. Its totient is φ = 840884400.

The previous prime is 2102210993. The next prime is 2102211011. The reversal of 2102211010 is 101122012.

It can be written as a sum of positive squares in 2 ways, for example, as 1892859049 + 209351961 = 43507^2 + 14469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2102211010² = 8838582261130440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 210221101 = 2102211010 / (2 + 1 + 0 + 2 + 2 + 1 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (2102211011) 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, 105110541 + ... + 105110560.

Almost surely, 2^2102211010 is an apocalyptic number.

2102211010 is a deficient number, since it is larger than the sum of its proper divisors (1681768826).

2102211010 is a wasteful number, since it uses less digits than its factorization.

2102211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210221108.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2102211010 is about 45849.8746999378. The cubic root of 2102211010 is about 1281.0284316920.

Adding to 2102211010 its reverse (101122012), we get a palindrome (2203333022).

The spelling of 2102211010 in words is "two billion, one hundred two million, two hundred eleven thousand, ten".