211001111012 has 12 divisors (see below), whose sum is σ = 381163297536. Its totient is φ = 102097311720.

The previous prime is 211001110967. The next prime is 211001111053. The reversal of 211001111012 is 210111100112.

It is a junction number, because it is equal to n+sod(n) for n = 211001110984 and 211001111002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850810808 + ... + 850811055.

It is an arithmetic number, because the mean of its divisors is an integer number (31763608128).

Almost surely, 2^211001111012 is an apocalyptic number.

It is an amenable number.

211001111012 is a deficient number, since it is larger than the sum of its proper divisors (170162186524).

211001111012 is a wasteful number, since it uses less digits than its factorization.

211001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701621898 (or 1701621896 counting only the distinct ones).

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

Adding to 211001111012 its reverse (210111100112), we get a palindrome (421112211124).

The spelling of 211001111012 in words is "two hundred eleven billion, one million, one hundred eleven thousand, twelve".