100121201101211 has 2 divisors, whose sum is σ = 100121201101212. Its totient is φ = 100121201101210.

The previous prime is 100121201101199. The next prime is 100121201101237. The reversal of 100121201101211 is 112101102121001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100121201101211 - 2¹⁸ = 100121200839067 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121201401211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060600550605 + 50060600550606.

It is an arithmetic number, because the mean of its divisors is an integer number (50060600550606).

Almost surely, 2^{100121201101211} is an apocalyptic number.

100121201101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121201101211 is an equidigital number, since it uses as much as digits as its factorization.

100121201101211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100121201101211 its reverse (112101102121001), we get a palindrome (212222303222212).

The spelling of 100121201101211 in words is "one hundred trillion, one hundred twenty-one billion, two hundred one million, one hundred one thousand, two hundred eleven".