1010021013112 has 16 divisors (see below), whose sum is σ = 1920462490800. Its totient is φ = 497897682240.

The previous prime is 1010021012993. The next prime is 1010021013119. The reversal of 1010021013112 is 2113101200101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1010021013092 and 1010021013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021013119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889102437 + ... + 889103572.

It is an arithmetic number, because the mean of its divisors is an integer number (120028905675).

Almost surely, 2^{1010021013112} is an apocalyptic number.

It is an amenable number.

1010021013112 is a deficient number, since it is larger than the sum of its proper divisors (910441477688).

1010021013112 is a wasteful number, since it uses less digits than its factorization.

1010021013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778206086 (or 1778206082 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1010021013112 its reverse (2113101200101), we get a palindrome (3123122213213).

The spelling of 1010021013112 in words is "one trillion, ten billion, twenty-one million, thirteen thousand, one hundred twelve".