2112122210102 has 4 divisors (see below), whose sum is σ = 3168183315156. Its totient is φ = 1056061105050.

The previous prime is 2112122210059. The next prime is 2112122210117. The reversal of 2112122210102 is 2010122212112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2112122210102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528030552524 + ... + 528030552527.

It is an arithmetic number, because the mean of its divisors is an integer number (792045828789).

Almost surely, 2^{2112122210102} is an apocalyptic number.

2112122210102 is a deficient number, since it is larger than the sum of its proper divisors (1056061105054).

2112122210102 is a wasteful number, since it uses less digits than its factorization.

2112122210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056061105053.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112122210102 its reverse (2010122212112), we get a palindrome (4122244422214).

The spelling of 2112122210102 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, one hundred two".