1011112210212 has 192 divisors, whose sum is σ = 2826029606400. Its totient is φ = 278197641216.

The previous prime is 1011112210187. The next prime is 1011112210237. The reversal of 1011112210212 is 2120122111101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011112210187) and next prime (1011112210237).

It is a junction number, because it is equal to n+sod(n) for n = 1011112210191 and 1011112210200.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9032778 + ... + 9144030.

It is an arithmetic number, because the mean of its divisors is an integer number (14718904200).

Almost surely, 2^{1011112210212} is an apocalyptic number.

1011112210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011112210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413014803200).

1011112210212 is an abundant number, since it is smaller than the sum of its proper divisors (1814917396188).

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

1011112210212 is a wasteful number, since it uses less digits than its factorization.

1011112210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111462 (or 111460 counting only the distinct ones).

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

Adding to 1011112210212 its reverse (2120122111101), we get a palindrome (3131234321313).

The spelling of 1011112210212 in words is "one trillion, eleven billion, one hundred twelve million, two hundred ten thousand, two hundred twelve".