10021200011971 has 2 divisors, whose sum is σ = 10021200011972. Its totient is φ = 10021200011970.

The previous prime is 10021200011959. The next prime is 10021200012013. The reversal of 10021200011971 is 17911000212001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021200011971 - 2³⁷ = 9883761058499 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021200011951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010600005985 + 5010600005986.

It is an arithmetic number, because the mean of its divisors is an integer number (5010600005986).

Almost surely, 2^{10021200011971} is an apocalyptic number.

10021200011971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021200011971 is an equidigital number, since it uses as much as digits as its factorization.

10021200011971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 10021200011971 its reverse (17911000212001), we get a palindrome (27932200223972).

The spelling of 10021200011971 in words is "ten trillion, twenty-one billion, two hundred million, eleven thousand, nine hundred seventy-one".