102020110051 has 2 divisors, whose sum is σ = 102020110052. Its totient is φ = 102020110050.

The previous prime is 102020110037. The next prime is 102020110091. The reversal of 102020110051 is 150011020201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102020110051 - 2⁷ = 102020109923 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020110001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010055025 + 51010055026.

It is an arithmetic number, because the mean of its divisors is an integer number (51010055026).

Almost surely, 2^102020110051 is an apocalyptic number.

102020110051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020110051 is an equidigital number, since it uses as much as digits as its factorization.

102020110051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 102020110051 its reverse (150011020201), we get a palindrome (252031130252).

The spelling of 102020110051 in words is "one hundred two billion, twenty million, one hundred ten thousand, fifty-one".