211122021222120 has 64 divisors (see below), whose sum is σ = 666701119656000. Its totient is φ = 53336089571328.

The previous prime is 211122021222113. The next prime is 211122021222137. The reversal of 211122021222120 is 21222120221112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46298686585 + ... + 46298691144.

It is an arithmetic number, because the mean of its divisors is an integer number (10417204994625).

Almost surely, 2^{211122021222120} is an apocalyptic number.

211122021222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122021222120 is an abundant number, since it is smaller than the sum of its proper divisors (455579098433880).

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

211122021222120 is a wasteful number, since it uses less digits than its factorization.

211122021222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92597377762 (or 92597377758 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211122021222120 its reverse (21222120221112), we get a palindrome (232344141443232).

The spelling of 211122021222120 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty".