100020212120211 has 4 divisors (see below), whose sum is σ = 133360282826952. Its totient is φ = 66680141413472.

The previous prime is 100020212120209. The next prime is 100020212120219. The reversal of 100020212120211 is 112021212020001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100020212120211 - 2¹ = 100020212120209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100020212120219) 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, 16670035353366 + ... + 16670035353371.

It is an arithmetic number, because the mean of its divisors is an integer number (33340070706738).

Almost surely, 2^{100020212120211} is an apocalyptic number.

100020212120211 is a deficient number, since it is larger than the sum of its proper divisors (33340070706741).

100020212120211 is an equidigital number, since it uses as much as digits as its factorization.

100020212120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340070706740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100020212120211 its reverse (112021212020001), we get a palindrome (212041424140212).

The spelling of 100020212120211 in words is "one hundred trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, two hundred eleven".