1000021101112 has 64 divisors (see below), whose sum is σ = 2052218592000. Its totient is φ = 453063690240.

The previous prime is 1000021101097. The next prime is 1000021101113. The reversal of 1000021101112 is 2111011200001.

1000021101112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021101113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38827423 + ... + 38853169.

It is an arithmetic number, because the mean of its divisors is an integer number (32065915500).

Almost surely, 2^{1000021101112} is an apocalyptic number.

It is an amenable number.

1000021101112 is an abundant number, since it is smaller than the sum of its proper divisors (1052197490888).

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

1000021101112 is a wasteful number, since it uses less digits than its factorization.

1000021101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27196 (or 27192 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000021101112 its reverse (2111011200001), we get a palindrome (3111032301113).

It can be divided in two parts, 10000 and 21101112, that added together give a palindrome (21111112).

The spelling of 1000021101112 in words is "one trillion, twenty-one million, one hundred one thousand, one hundred twelve".