1010111122212 has 12 divisors (see below), whose sum is σ = 2356925951856. Its totient is φ = 336703707400.

The previous prime is 1010111122211. The next prime is 1010111122259. The reversal of 1010111122212 is 2122211110101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1010111122191 and 1010111122200.

It is not an unprimeable number, because it can be changed into a prime (1010111122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42087963414 + ... + 42087963437.

It is an arithmetic number, because the mean of its divisors is an integer number (196410495988).

Almost surely, 2^{1010111122212} is an apocalyptic number.

1010111122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010111122212 is an abundant number, since it is smaller than the sum of its proper divisors (1346814829644).

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

1010111122212 is a wasteful number, since it uses less digits than its factorization.

1010111122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84175926858 (or 84175926856 counting only the distinct ones).

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

Adding to 1010111122212 its reverse (2122211110101), we get a palindrome (3132322232313).

The spelling of 1010111122212 in words is "one trillion, ten billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".