211100020112 has 20 divisors (see below), whose sum is σ = 426789171840. Its totient is φ = 100960879008.

The previous prime is 211100020111. The next prime is 211100020127. The reversal of 211100020112 is 211020001112.

It is a junction number, because it is equal to n+sod(n) for n = 211100020093 and 211100020102.

It is not an unprimeable number, because it can be changed into a prime (211100020111) 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, 286820312 + ... + 286821047.

It is an arithmetic number, because the mean of its divisors is an integer number (21339458592).

Almost surely, 2^211100020112 is an apocalyptic number.

It is an amenable number.

211100020112 is an abundant number, since it is smaller than the sum of its proper divisors (215689151728).

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

211100020112 is a wasteful number, since it uses less digits than its factorization.

211100020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573641390 (or 573641384 counting only the distinct ones).

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

Adding to 211100020112 its reverse (211020001112), we get a palindrome (422120021224).

The spelling of 211100020112 in words is "two hundred eleven billion, one hundred million, twenty thousand, one hundred twelve".