102001212211 has 2 divisors, whose sum is σ = 102001212212. Its totient is φ = 102001212210.

The previous prime is 102001212149. The next prime is 102001212221. The reversal of 102001212211 is 112212100201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102001212211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102001212191 and 102001212200.

It is not a weakly prime, because it can be changed into another prime (102001212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000606105 + 51000606106.

It is an arithmetic number, because the mean of its divisors is an integer number (51000606106).

Almost surely, 2^102001212211 is an apocalyptic number.

102001212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001212211 is an equidigital number, since it uses as much as digits as its factorization.

102001212211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102001212211 its reverse (112212100201), we get a palindrome (214213312412).

The spelling of 102001212211 in words is "one hundred two billion, one million, two hundred twelve thousand, two hundred eleven".