120202011271 has 2 divisors, whose sum is σ = 120202011272. Its totient is φ = 120202011270.

The previous prime is 120202011263. The next prime is 120202011329. The reversal of 120202011271 is 172110202021.

It is a weak prime.

It is an emirp because it is prime and its reverse (172110202021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120202011271 - 2³ = 120202011263 is a prime.

It is a super-2 number, since 2×120202011271² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120202011221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101005635 + 60101005636.

It is an arithmetic number, because the mean of its divisors is an integer number (60101005636).

Almost surely, 2^120202011271 is an apocalyptic number.

120202011271 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202011271 is an equidigital number, since it uses as much as digits as its factorization.

120202011271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 120202011271 its reverse (172110202021), we get a palindrome (292312213292).

The spelling of 120202011271 in words is "one hundred twenty billion, two hundred two million, eleven thousand, two hundred seventy-one".