100102120211 has 2 divisors, whose sum is σ = 100102120212. Its totient is φ = 100102120210.

The previous prime is 100102120177. The next prime is 100102120249. The reversal of 100102120211 is 112021201001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102120211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100102120192 and 100102120201.

It is not a weakly prime, because it can be changed into another prime (100102120271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051060105 + 50051060106.

It is an arithmetic number, because the mean of its divisors is an integer number (50051060106).

Almost surely, 2^100102120211 is an apocalyptic number.

100102120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102120211 is an equidigital number, since it uses as much as digits as its factorization.

100102120211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100102120211 its reverse (112021201001), we get a palindrome (212123321212).

The spelling of 100102120211 in words is "one hundred billion, one hundred two million, one hundred twenty thousand, two hundred eleven".