102911051 has 2 divisors, whose sum is σ = 102911052. Its totient is φ = 102911050.

The previous prime is 102910981. The next prime is 102911057. The reversal of 102911051 is 150119201.

It is a strong prime.

It is an emirp because it is prime and its reverse (150119201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102911051 - 2¹⁴ = 102894667 is a prime.

It is not a weakly prime, because it can be changed into another prime (102911057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51455525 + 51455526.

It is an arithmetic number, because the mean of its divisors is an integer number (51455526).

Almost surely, 2^102911051 is an apocalyptic number.

102911051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102911051 is an equidigital number, since it uses as much as digits as its factorization.

102911051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 102911051 is about 10144.5084158869. The cubic root of 102911051 is about 468.6198397485.

Subtracting from 102911051 its sum of digits (20), we obtain a triangular number (102911031 = T₁₄₃₄₆).

The spelling of 102911051 in words is "one hundred two million, nine hundred eleven thousand, fifty-one".