211010020012120 has 128 divisors (see below), whose sum is σ = 574521358032000. Its totient is φ = 68089836404736.

The previous prime is 211010020012109. The next prime is 211010020012139. The reversal of 211010020012120 is 21210020010112.

It is a super-3 number, since 3×211010020012120³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211010020012120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518869984 + ... + 519276496.

It is an arithmetic number, because the mean of its divisors is an integer number (4488448109625).

Almost surely, 2^{211010020012120} is an apocalyptic number.

211010020012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010020012120 is an abundant number, since it is smaller than the sum of its proper divisors (363511338019880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211010020012120 is a wasteful number, since it uses less digits than its factorization.

211010020012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515597 (or 515593 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211010020012120 its reverse (21210020010112), we get a palindrome (232220040022232).

The spelling of 211010020012120 in words is "two hundred eleven trillion, ten billion, twenty million, twelve thousand, one hundred twenty".