122111102210 has 8 divisors (see below), whose sum is σ = 219799983996. Its totient is φ = 48844440880.

The previous prime is 122111102207. The next prime is 122111102231. The reversal of 122111102210 is 12201111221.

It can be written as a sum of positive squares in 2 ways, for example, as 121479434521 + 631667689 = 348539^2 + 25133^2 .

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

It is a super-2 number, since 2×122111102210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105555101 + ... + 6105555120.

Almost surely, 2^122111102210 is an apocalyptic number.

122111102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111102210 is a deficient number, since it is larger than the sum of its proper divisors (97688881786).

122111102210 is a wasteful number, since it uses less digits than its factorization.

122111102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211110228.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122111102210 its reverse (12201111221), we get a palindrome (134312213431).

The spelling of 122111102210 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred ten".