211332222012120 has 128 divisors (see below), whose sum is σ = 708501817658880. Its totient is φ = 49982491520000.

The previous prime is 211332222012089. The next prime is 211332222012127. The reversal of 211332222012120 is 21210222233112.

It is a super-2 number, since 2×211332222012120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332222012127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952386956 + ... + 1952495195.

It is an arithmetic number, because the mean of its divisors is an integer number (5535170450460).

Almost surely, 2^{211332222012120} is an apocalyptic number.

211332222012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211332222012120 is an abundant number, since it is smaller than the sum of its proper divisors (497169595646760).

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

211332222012120 is a wasteful number, since it uses less digits than its factorization.

211332222012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904882217 (or 3904882213 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211332222012120 its reverse (21210222233112), we get a palindrome (232542444245232).

The spelling of 211332222012120 in words is "two hundred eleven trillion, three hundred thirty-two billion, two hundred twenty-two million, twelve thousand, one hundred twenty".