120110009748877 has 2 divisors, whose sum is σ = 120110009748878. Its totient is φ = 120110009748876.

The previous prime is 120110009748821. The next prime is 120110009748919. The reversal of 120110009748877 is 778847900011021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109803174647401 + 10306835101476 = 10478701^2 + 3210426^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110009748877 - 2³¹ = 120107862265229 is a prime.

It is a super-2 number, since 2×120110009748877² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120110009778877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055004874438 + 60055004874439.

It is an arithmetic number, because the mean of its divisors is an integer number (60055004874439).

Almost surely, 2^{120110009748877} is an apocalyptic number.

It is an amenable number.

120110009748877 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110009748877 is an equidigital number, since it uses as much as digits as its factorization.

120110009748877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 55.

Adding to 120110009748877 its reverse (778847900011021), we get a palindrome (898957909759898).

The spelling of 120110009748877 in words is "one hundred twenty trillion, one hundred ten billion, nine million, seven hundred forty-eight thousand, eight hundred seventy-seven".