211101000100002 has 24 divisors (see below), whose sum is σ = 477271826313984. Its totient is φ = 67307565249144.

The previous prime is 211101000099949. The next prime is 211101000100009. The reversal of 211101000100002 is 200001000101112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (211101000100009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254952898258 + ... + 254952899085.

It is an arithmetic number, because the mean of its divisors is an integer number (19886326096416).

Almost surely, 2^{211101000100002} is an apocalyptic number.

211101000100002 is an abundant number, since it is smaller than the sum of its proper divisors (266170826213982).

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

211101000100002 is a wasteful number, since it uses less digits than its factorization.

211101000100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509905797374 (or 509905797371 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211101000100002 its reverse (200001000101112), we get a palindrome (411102000201114).

The spelling of 211101000100002 in words is "two hundred eleven trillion, one hundred one billion, one hundred thousand, two".