211210102020004 has 24 divisors (see below), whose sum is σ = 370227731444928. Its totient is φ = 105430885042080.

The previous prime is 211210102019981. The next prime is 211210102020013. The reversal of 211210102020004 is 400020201012112.

It is a super-2 number, since 2×211210102020004² (a number of 29 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 211210102020004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10591752 + ... + 23121535.

It is an arithmetic number, because the mean of its divisors is an integer number (15426155476872).

Almost surely, 2^{211210102020004} is an apocalyptic number.

It is an amenable number.

211210102020004 is a deficient number, since it is larger than the sum of its proper divisors (159017629424924).

211210102020004 is a wasteful number, since it uses less digits than its factorization.

211210102020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33715875 (or 33715873 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211210102020004 its reverse (400020201012112), we get a palindrome (611230303032116).

The spelling of 211210102020004 in words is "two hundred eleven trillion, two hundred ten billion, one hundred two million, twenty thousand, four".