111010210111212 has 24 divisors (see below), whose sum is σ = 265047633445056. Its totient is φ = 36142859105808.

The previous prime is 111010210111127. The next prime is 111010210111217. The reversal of 111010210111212 is 212111012010111.

It is a super-2 number, since 2×111010210111212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111010210111191 and 111010210111200.

It is not an unprimeable number, because it can be changed into a prime (111010210111217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107568032538 + ... + 107568033569.

It is an arithmetic number, because the mean of its divisors is an integer number (11043651393544).

Almost surely, 2^{111010210111212} is an apocalyptic number.

111010210111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111010210111212 is an abundant number, since it is smaller than the sum of its proper divisors (154037423333844).

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

111010210111212 is a wasteful number, since it uses less digits than its factorization.

111010210111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215136066157 (or 215136066155 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111010210111212 its reverse (212111012010111), we get a palindrome (323121222121323).

The spelling of 111010210111212 in words is "one hundred eleven trillion, ten billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".