1910118182121 has 12 divisors (see below), whose sum is σ = 2833628775172. Its totient is φ = 1238995577376.

The previous prime is 1910118182087. The next prime is 1910118182179. The reversal of 1910118182121 is 1212818110191.

It can be written as a sum of positive squares in 2 ways, for example, as 1403265314025 + 506852868096 = 1184595^2 + 711936^2 .

It is not a de Polignac number, because 1910118182121 - 2²¹ = 1910116084969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1910118182221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868044986 + ... + 2868045651.

Almost surely, 2^{1910118182121} is an apocalyptic number.

It is an amenable number.

1910118182121 is a deficient number, since it is larger than the sum of its proper divisors (923510593051).

1910118182121 is a wasteful number, since it uses less digits than its factorization.

1910118182121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736090680 (or 5736090677 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 36.

The spelling of 1910118182121 in words is "one trillion, nine hundred ten billion, one hundred eighteen million, one hundred eighty-two thousand, one hundred twenty-one".