100021222211 has 2 divisors, whose sum is σ = 100021222212. Its totient is φ = 100021222210.

The previous prime is 100021222177. The next prime is 100021222297. The reversal of 100021222211 is 112222120001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021222211 is a prime.

It is not a weakly prime, because it can be changed into another prime (100021222811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010611105 + 50010611106.

It is an arithmetic number, because the mean of its divisors is an integer number (50010611106).

Almost surely, 2^100021222211 is an apocalyptic number.

100021222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021222211 is an equidigital number, since it uses as much as digits as its factorization.

100021222211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100021222211 its reverse (112222120001), we get a palindrome (212243342212).

The spelling of 100021222211 in words is "one hundred billion, twenty-one million, two hundred twenty-two thousand, two hundred eleven".