1001112110212 has 36 divisors (see below), whose sum is σ = 1783934766460. Its totient is φ = 491577472512.

The previous prime is 1001112110189. The next prime is 1001112110231. The reversal of 1001112110212 is 2120112111001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 582510874176 + 418601236036 = 763224^2 + 646994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001112110192 and 1001112110201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14013688 + ... + 14084944.

Almost surely, 2^{1001112110212} is an apocalyptic number.

It is an amenable number.

1001112110212 is a deficient number, since it is larger than the sum of its proper divisors (782822656248).

1001112110212 is a wasteful number, since it uses less digits than its factorization.

1001112110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72388 (or 72327 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1001112110212 its reverse (2120112111001), we get a palindrome (3121224221213).

The spelling of 1001112110212 in words is "one trillion, one billion, one hundred twelve million, one hundred ten thousand, two hundred twelve".