102021322001 has 2 divisors, whose sum is σ = 102021322002. Its totient is φ = 102021322000.

The previous prime is 102021321989. The next prime is 102021322027. The reversal of 102021322001 is 100223120201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74821396225 + 27199925776 = 273535^2 + 164924^2 .

It is a cyclic number.

It is not a de Polignac number, because 102021322001 - 2³⁰ = 100947580177 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021322901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010661000 + 51010661001.

It is an arithmetic number, because the mean of its divisors is an integer number (51010661001).

Almost surely, 2^102021322001 is an apocalyptic number.

It is an amenable number.

102021322001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021322001 is an equidigital number, since it uses as much as digits as its factorization.

102021322001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102021322001 its reverse (100223120201), we get a palindrome (202244442202).

The spelling of 102021322001 in words is "one hundred two billion, twenty-one million, three hundred twenty-two thousand, one".