211120212210210 has 24 divisors (see below), whose sum is σ = 548912551746780. Its totient is φ = 56298723256032.

The previous prime is 211120212210203. The next prime is 211120212210233. The reversal of 211120212210210 is 12012212021112.

211120212210210 is a `hidden beast` number, since 2 + 1 + 11 + 20 + 212 + 210 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 206121754877481 + 4998457332729 = 14356941^2 + 2235723^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1172890067745 + ... + 1172890067924.

Almost surely, 2^{211120212210210} is an apocalyptic number.

211120212210210 is an abundant number, since it is smaller than the sum of its proper divisors (337792339536570).

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

211120212210210 is a wasteful number, since it uses less digits than its factorization.

211120212210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345780135682 (or 2345780135679 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211120212210210 its reverse (12012212021112), we get a palindrome (223132424231322).

The spelling of 211120212210210 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred twelve million, two hundred ten thousand, two hundred ten".