10111222212 has 96 divisors (see below), whose sum is σ = 29822268672. Its totient is φ = 2594612736.

The previous prime is 10111222207. The next prime is 10111222213. The reversal of 10111222212 is 21222211101.

It is a junction number, because it is equal to n+sod(n) for n = 10111222191 and 10111222200.

It is not an unprimeable number, because it can be changed into a prime (10111222213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84723 + ... + 165530.

It is an arithmetic number, because the mean of its divisors is an integer number (310648632).

Almost surely, 2^10111222212 is an apocalyptic number.

10111222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111222212 is an abundant number, since it is smaller than the sum of its proper divisors (19711046460).

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

10111222212 is a wasteful number, since it uses less digits than its factorization.

10111222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250317 (or 250315 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10111222212 its reverse (21222211101), we get a palindrome (31333433313).

The spelling of 10111222212 in words is "ten billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".