111212101010022 has 8 divisors (see below), whose sum is σ = 222424202020056. Its totient is φ = 37070700336672.

The previous prime is 111212101009963. The next prime is 111212101010039. The reversal of 111212101010022 is 220010101212111.

It is a happy number.

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

111212101010022 is an admirable number.

It is a super-2 number, since 2×111212101010022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111212101009983 and 111212101010010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9267675084163 + ... + 9267675084174.

It is an arithmetic number, because the mean of its divisors is an integer number (27803025252507).

Almost surely, 2^{111212101010022} is an apocalyptic number.

111212101010022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111212101010022 is a wasteful number, since it uses less digits than its factorization.

111212101010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18535350168342.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111212101010022 its reverse (220010101212111), we get a palindrome (331222202222133).

The spelling of 111212101010022 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred one million, ten thousand, twenty-two".