10021020121112 has 96 divisors (see below), whose sum is σ = 25366357198080. Its totient is φ = 3603963242880.

The previous prime is 10021020121081. The next prime is 10021020121139. The reversal of 10021020121112 is 21112102012001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48025748 + ... + 48233955.

It is an arithmetic number, because the mean of its divisors is an integer number (264232887480).

Almost surely, 2^{10021020121112} is an apocalyptic number.

It is an amenable number.

10021020121112 is an abundant number, since it is smaller than the sum of its proper divisors (15345337076968).

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

10021020121112 is a wasteful number, since it uses less digits than its factorization.

10021020121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96259753 (or 96259736 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10021020121112 its reverse (21112102012001), we get a palindrome (31133122133113).

The spelling of 10021020121112 in words is "ten trillion, twenty-one billion, twenty million, one hundred twenty-one thousand, one hundred twelve".