102521701101 has 8 divisors (see below), whose sum is σ = 139874569120. Its totient is φ = 66758316912.

The previous prime is 102521701099. The next prime is 102521701111. The reversal of 102521701101 is 101107125201.

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

It is not a de Polignac number, because 102521701101 - 2¹ = 102521701099 is a prime.

It is a super-2 number, since 2×102521701101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102521701111) 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, 397370806 + ... + 397371063.

It is an arithmetic number, because the mean of its divisors is an integer number (17484321140).

Almost surely, 2^102521701101 is an apocalyptic number.

It is an amenable number.

102521701101 is a deficient number, since it is larger than the sum of its proper divisors (37352868019).

102521701101 is an equidigital number, since it uses as much as digits as its factorization.

102521701101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794741915.

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 102521701101 its reverse (101107125201), we get a palindrome (203628826302).

The spelling of 102521701101 in words is "one hundred two billion, five hundred twenty-one million, seven hundred one thousand, one hundred one".