102521106003 has 8 divisors (see below), whose sum is σ = 136922256016. Its totient is φ = 68233680000.

The previous prime is 102521105983. The next prime is 102521106013. The reversal of 102521106003 is 300601125201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102521106003 - 2¹⁰ = 102521104979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102521106013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28428898 + ... + 28432503.

It is an arithmetic number, because the mean of its divisors is an integer number (17115282002).

Almost surely, 2^102521106003 is an apocalyptic number.

102521106003 is a deficient number, since it is larger than the sum of its proper divisors (34401150013).

102521106003 is an equidigital number, since it uses as much as digits as its factorization.

102521106003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56862005.

The product of its (nonzero) digits is 360, while the sum is 21.

The spelling of 102521106003 in words is "one hundred two billion, five hundred twenty-one million, one hundred six thousand, three".