10020423411181 has 2 divisors, whose sum is σ = 10020423411182. Its totient is φ = 10020423411180.

The previous prime is 10020423411161. The next prime is 10020423411253. The reversal of 10020423411181 is 18111432402001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9811491228900 + 208932182281 = 3132330^2 + 457091^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020423411181 - 2¹³ = 10020423402989 is a prime.

It is a super-2 number, since 2×10020423411181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020423411101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010211705590 + 5010211705591.

It is an arithmetic number, because the mean of its divisors is an integer number (5010211705591).

Almost surely, 2^{10020423411181} is an apocalyptic number.

It is an amenable number.

10020423411181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020423411181 is an equidigital number, since it uses as much as digits as its factorization.

10020423411181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 10020423411181 its reverse (18111432402001), we get a palindrome (28131855813182).

The spelling of 10020423411181 in words is "ten trillion, twenty billion, four hundred twenty-three million, four hundred eleven thousand, one hundred eighty-one".