1020100021112 has 64 divisors (see below), whose sum is σ = 1929580963200. Its totient is φ = 505568891520.

The previous prime is 1020100021091. The next prime is 1020100021151. The reversal of 1020100021112 is 2111200010201.

1020100021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1020100021093 and 1020100021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666295787 + ... + 666297317.

It is an arithmetic number, because the mean of its divisors is an integer number (30149702550).

Almost surely, 2^{1020100021112} is an apocalyptic number.

It is an amenable number.

1020100021112 is a deficient number, since it is larger than the sum of its proper divisors (909480942088).

1020100021112 is a wasteful number, since it uses less digits than its factorization.

1020100021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020100021112 its reverse (2111200010201), we get a palindrome (3131300031313).

The spelling of 1020100021112 in words is "one trillion, twenty billion, one hundred million, twenty-one thousand, one hundred twelve".