101010120210101 has 2 divisors, whose sum is σ = 101010120210102. Its totient is φ = 101010120210100.

The previous prime is 101010120210053. The next prime is 101010120210119. The reversal of 101010120210101 is 101012021010101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54573663985201 + 46436456224900 = 7387399^2 + 6814430^2 .

It is an emirp because it is prime and its reverse (101012021010101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101010120210101 - 2⁴² = 96612073698997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010120216101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505060105050 + 50505060105051.

It is an arithmetic number, because the mean of its divisors is an integer number (50505060105051).

Almost surely, 2^{101010120210101} is an apocalyptic number.

It is an amenable number.

101010120210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010120210101 is an equidigital number, since it uses as much as digits as its factorization.

101010120210101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101010120210101 its reverse (101012021010101), we get a palindrome (202022141220202).

The spelling of 101010120210101 in words is "one hundred one trillion, ten billion, one hundred twenty million, two hundred ten thousand, one hundred one".