1020111120112 has 30 divisors (see below), whose sum is σ = 2299153508448. Its totient is φ = 437190479712.

The previous prime is 1020111120089. The next prime is 1020111120139. The reversal of 1020111120112 is 2110211110201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020111120092 and 1020111120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650580288 + ... + 650581855.

Almost surely, 2^{1020111120112} is an apocalyptic number.

It is an amenable number.

1020111120112 is an abundant number, since it is smaller than the sum of its proper divisors (1279042388336).

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

1020111120112 is a wasteful number, since it uses less digits than its factorization.

1020111120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301162165 (or 1301162152 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1020111120112 its reverse (2110211110201), we get a palindrome (3130322230313).

The spelling of 1020111120112 in words is "one trillion, twenty billion, one hundred eleven million, one hundred twenty thousand, one hundred twelve".