211120202220222 has 128 divisors (see below), whose sum is σ = 452234642227200. Its totient is φ = 65513286432000.

The previous prime is 211120202220217. The next prime is 211120202220229. The reversal of 211120202220222 is 222022202021112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120202220229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13472023447 + ... + 13472039117.

It is an arithmetic number, because the mean of its divisors is an integer number (3533083142400).

Almost surely, 2^{211120202220222} is an apocalyptic number.

211120202220222 is an abundant number, since it is smaller than the sum of its proper divisors (241114440006978).

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

211120202220222 is a wasteful number, since it uses less digits than its factorization.

211120202220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211120202220222 its reverse (222022202021112), we get a palindrome (433142404241334).

The spelling of 211120202220222 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred two million, two hundred twenty thousand, two hundred twenty-two".