101221010102207 has 2 divisors, whose sum is σ = 101221010102208. Its totient is φ = 101221010102206.

The previous prime is 101221010102159. The next prime is 101221010102227. The reversal of 101221010102207 is 702201010122101.

It is a happy number.

It is an a-pointer prime, because the next prime (101221010102227) can be obtained adding 101221010102207 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101221010102207 - 2¹² = 101221010098111 is a prime.

It is a super-2 number, since 2×101221010102207² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221010102227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610505051103 + 50610505051104.

It is an arithmetic number, because the mean of its divisors is an integer number (50610505051104).

Almost surely, 2^{101221010102207} is an apocalyptic number.

101221010102207 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221010102207 is an equidigital number, since it uses as much as digits as its factorization.

101221010102207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 101221010102207 its reverse (702201010122101), we get a palindrome (803422020224308).

The spelling of 101221010102207 in words is "one hundred one trillion, two hundred twenty-one billion, ten million, one hundred two thousand, two hundred seven".