213102122 has 16 divisors (see below), whose sum is σ = 333241344. Its totient is φ = 102090000.

The previous prime is 213102079. The next prime is 213102139. The reversal of 213102122 is 221201312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213102097 and 213102106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10754 + ... + 23277.

It is an arithmetic number, because the mean of its divisors is an integer number (20827584).

Almost surely, 2^213102122 is an apocalyptic number.

213102122 is a deficient number, since it is larger than the sum of its proper divisors (120139222).

213102122 is a wasteful number, since it uses less digits than its factorization.

213102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34165.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 213102122 is about 14598.0177421457. The cubic root of 213102122 is about 597.3046899326.

Adding to 213102122 its reverse (221201312), we get a palindrome (434303434).

It can be divided in two parts, 21310 and 2122, that added together give a palindrome (23432).

The spelling of 213102122 in words is "two hundred thirteen million, one hundred two thousand, one hundred twenty-two".