2102210230122 has 48 divisors (see below), whose sum is σ = 4682301752232. Its totient is φ = 681155084160.

The previous prime is 2102210230111. The next prime is 2102210230163. The reversal of 2102210230122 is 2210320122012.

2102210230122 is a `hidden beast` number, since 2 + 102 + 210 + 230 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1730279790801 + 371930439321 = 1315401^2 + 609861^2 .

It is a super-2 number, since 2×2102210230122² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2102210230095 and 2102210230104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780873 + ... + 2194124.

Almost surely, 2^{2102210230122} is an apocalyptic number.

2102210230122 is an abundant number, since it is smaller than the sum of its proper divisors (2580091522110).

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

2102210230122 is a wasteful number, since it uses less digits than its factorization.

2102210230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976103 (or 2976100 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2102210230122 its reverse (2210320122012), we get a palindrome (4312530352134).

It can be divided in two parts, 2102210 and 230122, that added together give a palindrome (2332332).

The spelling of 2102210230122 in words is "two trillion, one hundred two billion, two hundred ten million, two hundred thirty thousand, one hundred twenty-two".