210211111004 has 24 divisors (see below), whose sum is σ = 372754462080. Its totient is φ = 103712917104.

The previous prime is 210211111001. The next prime is 210211111009. The reversal of 210211111004 is 400111112012.

It is a super-2 number, since 2×210211111004² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210211111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211111001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111434 + ... + 657905.

It is an arithmetic number, because the mean of its divisors is an integer number (15531435920).

Almost surely, 2^210211111004 is an apocalyptic number.

It is an amenable number.

210211111004 is a deficient number, since it is larger than the sum of its proper divisors (162543351076).

210211111004 is a wasteful number, since it uses less digits than its factorization.

210211111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770249 (or 770247 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210211111004 its reverse (400111112012), we get a palindrome (610322223016).

The spelling of 210211111004 in words is "two hundred ten billion, two hundred eleven million, one hundred eleven thousand, four".