210122100121211 has 8 divisors (see below), whose sum is σ = 213662195001744. Its totient is φ = 206585084927520.

The previous prime is 210122100121189. The next prime is 210122100121229. The reversal of 210122100121211 is 112121001221012.

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 210122100121211 - 2²² = 210122095926907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210122100121211.

It is not an unprimeable number, because it can be changed into a prime (210122105121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769784105 + ... + 770057018.

It is an arithmetic number, because the mean of its divisors is an integer number (26707774375218).

Almost surely, 2^{210122100121211} is an apocalyptic number.

210122100121211 is a deficient number, since it is larger than the sum of its proper divisors (3540094880533).

210122100121211 is a wasteful number, since it uses less digits than its factorization.

210122100121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539843421.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210122100121211 its reverse (112121001221012), we get a palindrome (322243101342223).

The spelling of 210122100121211 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred eleven".