102211210 has 16 divisors (see below), whose sum is σ = 184467456. Its totient is φ = 40776208.

The previous prime is 102211199. The next prime is 102211217. The reversal of 102211210 is 12112201.

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 (102211217) 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, 9514 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (11529216).

Almost surely, 2^102211210 is an apocalyptic number.

102211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102211210 is a deficient number, since it is larger than the sum of its proper divisors (82256246).

102211210 is a wasteful number, since it uses less digits than its factorization.

102211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27077.

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

The square root of 102211210 is about 10109.9559840783. The cubic root of 102211210 is about 467.5551480597. Note that the first 3 decimals are identical.

Adding to 102211210 its reverse (12112201), we get a palindrome (114323411).

Subtracting from 102211210 its reverse (12112201), we obtain a palindrome (90099009).

The spelling of 102211210 in words is "one hundred two million, two hundred eleven thousand, two hundred ten".