1020111310212 has 24 divisors (see below), whose sum is σ = 2380276096800. Its totient is φ = 340034764416.

The previous prime is 1020111310093. The next prime is 1020111310217. The reversal of 1020111310212 is 2120131110201.

It is a junction number, because it is equal to n+sod(n) for n = 1020111310191 and 1020111310200.

It is not an unprimeable number, because it can be changed into a prime (1020111310217) 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, 3090364 + ... + 3404492.

It is an arithmetic number, because the mean of its divisors is an integer number (99178170700).

Almost surely, 2^{1020111310212} is an apocalyptic number.

1020111310212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020111310212 is an abundant number, since it is smaller than the sum of its proper divisors (1360164786588).

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

1020111310212 is a wasteful number, since it uses less digits than its factorization.

1020111310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584755 (or 584753 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1020111310212 its reverse (2120131110201), we get a palindrome (3140242420413).

The spelling of 1020111310212 in words is "one trillion, twenty billion, one hundred eleven million, three hundred ten thousand, two hundred twelve".