211022120022 has 192 divisors, whose sum is σ = 513808717824. Its totient is φ = 57544058880.

The previous prime is 211022119969. The next prime is 211022120033. The reversal of 211022120022 is 220021220112.

It is a junction number, because it is equal to n+sod(n) for n = 211022119983 and 211022120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 344244588 + ... + 344245200.

It is an arithmetic number, because the mean of its divisors is an integer number (2676087072).

Almost surely, 2^211022120022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211022120022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256904358912).

211022120022 is an abundant number, since it is smaller than the sum of its proper divisors (302786597802).

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

211022120022 is a wasteful number, since it uses less digits than its factorization.

211022120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211022120022 its reverse (220021220112), we get a palindrome (431043340134).

The spelling of 211022120022 in words is "two hundred eleven billion, twenty-two million, one hundred twenty thousand, twenty-two".