10121122222 has 8 divisors (see below), whose sum is σ = 15504698016. Its totient is φ = 4952889552.

The previous prime is 10121122213. The next prime is 10121122223. The reversal of 10121122222 is 22222112101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10121122196 and 10121122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121122223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53835663 + ... + 53835850.

It is an arithmetic number, because the mean of its divisors is an integer number (1938087252).

Almost surely, 2^10121122222 is an apocalyptic number.

10121122222 is a deficient number, since it is larger than the sum of its proper divisors (5383575794).

10121122222 is a wasteful number, since it uses less digits than its factorization.

10121122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107671562.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10121122222 its reverse (22222112101), we get a palindrome (32343234323).

The spelling of 10121122222 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".