211121101207 has 2 divisors, whose sum is σ = 211121101208. Its totient is φ = 211121101206.

The previous prime is 211121101201. The next prime is 211121101223. The reversal of 211121101207 is 702101121112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211121101207 - 2²³ = 211112712599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211121101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560550603 + 105560550604.

It is an arithmetic number, because the mean of its divisors is an integer number (105560550604).

Almost surely, 2^211121101207 is an apocalyptic number.

211121101207 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121101207 is an equidigital number, since it uses as much as digits as its factorization.

211121101207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 211121101207 its reverse (702101121112), we get a palindrome (913222222319).

The spelling of 211121101207 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred seven".