10112121102222 has 20 divisors (see below), whose sum is σ = 22658641729416. Its totient is φ = 3370707034020.

The previous prime is 10112121102217. The next prime is 10112121102257. The reversal of 10112121102222 is 22220112121101.

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 = 10112121102195 and 10112121102204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31210250154 + ... + 31210250477.

Almost surely, 2^{10112121102222} is an apocalyptic number.

10112121102222 is an abundant number, since it is smaller than the sum of its proper divisors (12546520627194).

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

10112121102222 is an equidigital number, since it uses as much as digits as its factorization.

10112121102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62420500645 (or 62420500636 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10112121102222 its reverse (22220112121101), we get a palindrome (32332233223323).

The spelling of 10112121102222 in words is "ten trillion, one hundred twelve billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".