10021212201001 has 2 divisors, whose sum is σ = 10021212201002. Its totient is φ = 10021212201000.

The previous prime is 10021212200981. The next prime is 10021212201019. The reversal of 10021212201001 is 10010221212001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6816668265625 + 3204543935376 = 2610875^2 + 1790124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021212201001 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021212231001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010606100500 + 5010606100501.

It is an arithmetic number, because the mean of its divisors is an integer number (5010606100501).

Almost surely, 2^{10021212201001} is an apocalyptic number.

It is an amenable number.

10021212201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021212201001 is an equidigital number, since it uses as much as digits as its factorization.

10021212201001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10021212201001 its reverse (10010221212001), we get a palindrome (20031433413002).

The spelling of 10021212201001 in words is "ten trillion, twenty-one billion, two hundred twelve million, two hundred one thousand, one".