120021132210101 has 2 divisors, whose sum is σ = 120021132210102. Its totient is φ = 120021132210100.

The previous prime is 120021132210059. The next prime is 120021132210151. The reversal of 120021132210101 is 101012231120021.

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., 80206622314225 + 39814509895876 = 8955815^2 + 6309874^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021132210101 - 2¹⁸ = 120021131947957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120021132210101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021132210151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010566105050 + 60010566105051.

It is an arithmetic number, because the mean of its divisors is an integer number (60010566105051).

Almost surely, 2^{120021132210101} is an apocalyptic number.

It is an amenable number.

120021132210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021132210101 is an equidigital number, since it uses as much as digits as its factorization.

120021132210101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 120021132210101 its reverse (101012231120021), we get a palindrome (221033363330122).

The spelling of 120021132210101 in words is "one hundred twenty trillion, twenty-one billion, one hundred thirty-two million, two hundred ten thousand, one hundred one".