1001111010212 has 12 divisors (see below), whose sum is σ = 1757650928880. Its totient is φ = 498925030536.

The previous prime is 1001111010209. The next prime is 1001111010241. The reversal of 1001111010212 is 2120101111001.

It is a junction number, because it is equal to n+sod(n) for n = 1001111010193 and 1001111010202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407617262 + ... + 407619717.

It is an arithmetic number, because the mean of its divisors is an integer number (146470910740).

Almost surely, 2^{1001111010212} is an apocalyptic number.

It is an amenable number.

1001111010212 is a deficient number, since it is larger than the sum of its proper divisors (756539918668).

1001111010212 is a wasteful number, since it uses less digits than its factorization.

1001111010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815237290 (or 815237288 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1001111010212 its reverse (2120101111001), we get a palindrome (3121212121213).

The spelling of 1001111010212 in words is "one trillion, one billion, one hundred eleven million, ten thousand, two hundred twelve".