102000212521211 has 2 divisors, whose sum is σ = 102000212521212. Its totient is φ = 102000212521210.

The previous prime is 102000212521157. The next prime is 102000212521309. The reversal of 102000212521211 is 112125212000201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102000212521211 - 2⁶ = 102000212521147 is a prime.

It is not a weakly prime, because it can be changed into another prime (102000214521211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000106260605 + 51000106260606.

It is an arithmetic number, because the mean of its divisors is an integer number (51000106260606).

Almost surely, 2^{102000212521211} is an apocalyptic number.

102000212521211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000212521211 is an equidigital number, since it uses as much as digits as its factorization.

102000212521211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 102000212521211 its reverse (112125212000201), we get a palindrome (214125424521412).

The spelling of 102000212521211 in words is "one hundred two trillion, two hundred twelve million, five hundred twenty-one thousand, two hundred eleven".