102512221001 has 8 divisors (see below), whose sum is σ = 107082972864. Its totient is φ = 97950944080.

The previous prime is 102512220961. The next prime is 102512221003. The reversal of 102512221001 is 100122215201.

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

It is a cyclic number.

It is not a de Polignac number, because 102512221001 - 2¹⁰ = 102512219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102512221003) 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, 2346611 + ... + 2389896.

It is an arithmetic number, because the mean of its divisors is an integer number (13385371608).

Almost surely, 2^102512221001 is an apocalyptic number.

It is an amenable number.

102512221001 is a deficient number, since it is larger than the sum of its proper divisors (4570751863).

102512221001 is an equidigital number, since it uses as much as digits as its factorization.

102512221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737471.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 102512221001 its reverse (100122215201), we get a palindrome (202634436202).

The spelling of 102512221001 in words is "one hundred two billion, five hundred twelve million, two hundred twenty-one thousand, one".