211122211004 has 12 divisors (see below), whose sum is σ = 388909336200. Its totient is φ = 100005257808.

The previous prime is 211122210919. The next prime is 211122211007. The reversal of 211122211004 is 400112221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122211007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388961839 + ... + 1388961990.

It is an arithmetic number, because the mean of its divisors is an integer number (32409111350).

Almost surely, 2^211122211004 is an apocalyptic number.

It is an amenable number.

211122211004 is a deficient number, since it is larger than the sum of its proper divisors (177787125196).

211122211004 is a wasteful number, since it uses less digits than its factorization.

211122211004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777923852 (or 2777923850 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211122211004 its reverse (400112221112), we get a palindrome (611234432116).

The spelling of 211122211004 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, four".