102021302426025 has 48 divisors (see below), whose sum is σ = 174493869356160. Its totient is φ = 52534426291200.

The previous prime is 102021302426003. The next prime is 102021302426039. The reversal of 102021302426025 is 520624203120201.

It is not a de Polignac number, because 102021302426025 - 2⁹ = 102021302425513 is a prime.

It is a super-2 number, since 2×102021302426025² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102021302425983 and 102021302426001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196863649 + ... + 197381201.

It is an arithmetic number, because the mean of its divisors is an integer number (3635288944920).

Almost surely, 2^{102021302426025} is an apocalyptic number.

102021302426025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102021302426025 is a deficient number, since it is larger than the sum of its proper divisors (72472566930135).

102021302426025 is a wasteful number, since it uses less digits than its factorization.

102021302426025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608226 (or 608221 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 102021302426025 its reverse (520624203120201), we get a palindrome (622645505546226).

The spelling of 102021302426025 in words is "one hundred two trillion, twenty-one billion, three hundred two million, four hundred twenty-six thousand, twenty-five".