101120210221001 has 2 divisors, whose sum is σ = 101120210221002. Its totient is φ = 101120210221000.

The previous prime is 101120210220947. The next prime is 101120210221039. The reversal of 101120210221001 is 100122012021101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95408353998400 + 5711856222601 = 9767720^2 + 2389949^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120210221001 - 2⁶ = 101120210220937 is a prime.

It is a super-2 number, since 2×101120210221001² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101120210221501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560105110500 + 50560105110501.

It is an arithmetic number, because the mean of its divisors is an integer number (50560105110501).

Almost surely, 2^{101120210221001} is an apocalyptic number.

It is an amenable number.

101120210221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120210221001 is an equidigital number, since it uses as much as digits as its factorization.

101120210221001 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 14.

Adding to 101120210221001 its reverse (100122012021101), we get a palindrome (201242222242102).

The spelling of 101120210221001 in words is "one hundred one trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, one".