201000100021112 has 32 divisors (see below), whose sum is σ = 430792769740800. Its totient is φ = 86127246069984.

The previous prime is 201000100021093. The next prime is 201000100021117. The reversal of 201000100021112 is 211120001000102.

It is a junction number, because it is equal to n+sod(n) for n = 201000100021093 and 201000100021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000100021117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325812812 + ... + 326429147.

It is an arithmetic number, because the mean of its divisors is an integer number (13462274054400).

Almost surely, 2^{201000100021112} is an apocalyptic number.

It is an amenable number.

201000100021112 is an abundant number, since it is smaller than the sum of its proper divisors (229792669719688).

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

201000100021112 is a wasteful number, since it uses less digits than its factorization.

201000100021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652247475 (or 652247471 counting only the distinct ones).

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

Adding to 201000100021112 its reverse (211120001000102), we get a palindrome (412120101021214).

The spelling of 201000100021112 in words is "two hundred one trillion, one hundred million, twenty-one thousand, one hundred twelve".