211100121107 has 2 divisors, whose sum is σ = 211100121108. Its totient is φ = 211100121106.

The previous prime is 211100121101. The next prime is 211100121119. The reversal of 211100121107 is 701121001112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211100121107 - 2¹⁶ = 211100055571 is a prime.

It is a super-2 number, since 2×211100121107² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211100121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550060553 + 105550060554.

It is an arithmetic number, because the mean of its divisors is an integer number (105550060554).

Almost surely, 2^211100121107 is an apocalyptic number.

211100121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100121107 is an equidigital number, since it uses as much as digits as its factorization.

211100121107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 211100121107 its reverse (701121001112), we get a palindrome (912221122219).

The spelling of 211100121107 in words is "two hundred eleven billion, one hundred million, one hundred twenty-one thousand, one hundred seven".