102155035211 has 2 divisors, whose sum is σ = 102155035212. Its totient is φ = 102155035210.

The previous prime is 102155035207. The next prime is 102155035243. The reversal of 102155035211 is 112530551201.

It is a weak prime.

It is an emirp because it is prime and its reverse (112530551201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102155035211 - 2² = 102155035207 is a prime.

It is not a weakly prime, because it can be changed into another prime (102155035271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51077517605 + 51077517606.

It is an arithmetic number, because the mean of its divisors is an integer number (51077517606).

Almost surely, 2^102155035211 is an apocalyptic number.

102155035211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102155035211 is an equidigital number, since it uses as much as digits as its factorization.

102155035211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 102155035211 its reverse (112530551201), we get a palindrome (214685586412).

The spelling of 102155035211 in words is "one hundred two billion, one hundred fifty-five million, thirty-five thousand, two hundred eleven".