102121020151 has 2 divisors, whose sum is σ = 102121020152. Its totient is φ = 102121020150.

The previous prime is 102121020019. The next prime is 102121020179. The reversal of 102121020151 is 151020121201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102121020151 - 2¹³ = 102121011959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102121020451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060510075 + 51060510076.

It is an arithmetic number, because the mean of its divisors is an integer number (51060510076).

Almost surely, 2^102121020151 is an apocalyptic number.

102121020151 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121020151 is an equidigital number, since it uses as much as digits as its factorization.

102121020151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 102121020151 its reverse (151020121201), we get a palindrome (253141141352).

The spelling of 102121020151 in words is "one hundred two billion, one hundred twenty-one million, twenty thousand, one hundred fifty-one".