211122202012120 has 64 divisors (see below), whose sum is σ = 566489386782720. Its totient is φ = 69237591713664.

The previous prime is 211122202011979. The next prime is 211122202012121. The reversal of 211122202012120 is 21210202221112.

211122202012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122202012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16391468872 + ... + 16391481751.

It is an arithmetic number, because the mean of its divisors is an integer number (8851396668480).

Almost surely, 2^{211122202012120} is an apocalyptic number.

211122202012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122202012120 is an abundant number, since it is smaller than the sum of its proper divisors (355367184770600).

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

211122202012120 is a wasteful number, since it uses less digits than its factorization.

211122202012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32782950664 (or 32782950660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211122202012120 its reverse (21210202221112), we get a palindrome (232332404233232).

The spelling of 211122202012120 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, twelve thousand, one hundred twenty".