211102122 has 64 divisors (see below), whose sum is σ = 554112000. Its totient is φ = 51943680.

The previous prime is 211102121. The next prime is 211102123. The reversal of 211102122 is 221201112.

It is an interprime number because it is at equal distance from previous prime (211102121) and next prime (211102123).

It is a junction number, because it is equal to n+sod(n) for n = 211102098 and 211102107.

It is not an unprimeable number, because it can be changed into a prime (211102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3247 + ... + 20802.

It is an arithmetic number, because the mean of its divisors is an integer number (8658000).

Almost surely, 2^211102122 is an apocalyptic number.

211102122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211102122 is an abundant number, since it is smaller than the sum of its proper divisors (343009878).

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

211102122 is a wasteful number, since it uses less digits than its factorization.

211102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24091.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 211102122 is about 14529.3538053143. The cubic root of 211102122 is about 595.4302111900.

Adding to 211102122 its reverse (221201112), we get a palindrome (432303234).

It can be divided in two parts, 21110 and 2122, that added together give a palindrome (23232).

The spelling of 211102122 in words is "two hundred eleven million, one hundred two thousand, one hundred twenty-two".