10021121021112 has 16 divisors (see below), whose sum is σ = 25052802552840. Its totient is φ = 3340373673696.

The previous prime is 10021121021069. The next prime is 10021121021117. The reversal of 10021121021112 is 21112012112001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021121021091 and 10021121021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021121021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208773354583 + ... + 208773354630.

Almost surely, 2^{10021121021112} is an apocalyptic number.

10021121021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021121021112 is an abundant number, since it is smaller than the sum of its proper divisors (15031681531728).

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

10021121021112 is a wasteful number, since it uses less digits than its factorization.

10021121021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417546709222 (or 417546709218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10021121021112 its reverse (21112012112001), we get a palindrome (31133133133113).

The spelling of 10021121021112 in words is "ten trillion, twenty-one billion, one hundred twenty-one million, twenty-one thousand, one hundred twelve".