1010101111112 has 64 divisors (see below), whose sum is σ = 1940350464000. Its totient is φ = 492871115520.

The previous prime is 1010101111051. The next prime is 1010101111183. The reversal of 1010101111112 is 2111111010101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101111093 and 1010101111102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15560162 + ... + 15624942.

It is an arithmetic number, because the mean of its divisors is an integer number (30317976000).

Almost surely, 2^{1010101111112} is an apocalyptic number.

It is an amenable number.

1010101111112 is a deficient number, since it is larger than the sum of its proper divisors (930249352888).

1010101111112 is a wasteful number, since it uses less digits than its factorization.

1010101111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65166 (or 65162 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1010101111112 its reverse (2111111010101), we get a palindrome (3121212121213).

The spelling of 1010101111112 in words is "one trillion, ten billion, one hundred one million, one hundred eleven thousand, one hundred twelve".