102014302421 has 2 divisors, whose sum is σ = 102014302422. Its totient is φ = 102014302420.

The previous prime is 102014302417. The next prime is 102014302451. The reversal of 102014302421 is 124203410201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53300956900 + 48713345521 = 230870^2 + 220711^2 .

It is a cyclic number.

It is not a de Polignac number, because 102014302421 - 2² = 102014302417 is a prime.

It is a super-2 number, since 2×102014302421² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102014302393 and 102014302402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102014302451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51007151210 + 51007151211.

It is an arithmetic number, because the mean of its divisors is an integer number (51007151211).

Almost surely, 2^102014302421 is an apocalyptic number.

It is an amenable number.

102014302421 is a deficient number, since it is larger than the sum of its proper divisors (1).

102014302421 is an equidigital number, since it uses as much as digits as its factorization.

102014302421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102014302421 its reverse (124203410201), we get a palindrome (226217712622).

The spelling of 102014302421 in words is "one hundred two billion, fourteen million, three hundred two thousand, four hundred twenty-one".