10211110111112 has 8 divisors (see below), whose sum is σ = 19145831458350. Its totient is φ = 5105555055552.

The previous prime is 10211110111087. The next prime is 10211110111121. The reversal of 10211110111112 is 21111101111201.

It can be written as a sum of positive squares in only one way, i.e., 6403561836676 + 3807548274436 = 2530526^2 + 1951294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638194381937 + ... + 638194381952.

Almost surely, 2^{10211110111112} is an apocalyptic number.

It is an amenable number.

10211110111112 is a deficient number, since it is larger than the sum of its proper divisors (8934721347238).

10211110111112 is a wasteful number, since it uses less digits than its factorization.

10211110111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276388763895 (or 1276388763891 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 10211110111112 its reverse (21111101111201), we get a palindrome (31322211222313).

The spelling of 10211110111112 in words is "ten trillion, two hundred eleven billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".