211120220212 has 48 divisors (see below), whose sum is σ = 404366618880. Its totient is φ = 95650236800.

The previous prime is 211120220167. The next prime is 211120220219. The reversal of 211120220212 is 212022021112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120220219) 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, 17615262 + ... + 17627242.

It is an arithmetic number, because the mean of its divisors is an integer number (8424304560).

Almost surely, 2^211120220212 is an apocalyptic number.

211120220212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211120220212 is a deficient number, since it is larger than the sum of its proper divisors (193246398668).

211120220212 is a wasteful number, since it uses less digits than its factorization.

211120220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13272 (or 13270 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211120220212 its reverse (212022021112), we get a palindrome (423142241324).

Subtracting 211120220212 from its reverse (212022021112), we obtain a square (901800900 = 30030²).

The spelling of 211120220212 in words is "two hundred eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred twelve".