100020121212211 has 8 divisors (see below), whose sum is σ = 101513526889424. Its totient is φ = 98526732242400.

The previous prime is 100020121212199. The next prime is 100020121212311. The reversal of 100020121212211 is 112212121020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100020121212211 - 2²⁷ = 100019986994483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020121212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8155501 + ... + 16326433.

It is an arithmetic number, because the mean of its divisors is an integer number (12689190861178).

Almost surely, 2^{100020121212211} is an apocalyptic number.

100020121212211 is a deficient number, since it is larger than the sum of its proper divisors (1493405677213).

100020121212211 is an equidigital number, since it uses as much as digits as its factorization.

100020121212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353701.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100020121212211 its reverse (112212121020001), we get a palindrome (212232242232212).

The spelling of 100020121212211 in words is "one hundred trillion, twenty billion, one hundred twenty-one million, two hundred twelve thousand, two hundred eleven".