211121110022022 has 96 divisors (see below), whose sum is σ = 475214571546624. Its totient is φ = 70248559802400.

The previous prime is 211121110022021. The next prime is 211121110022041. The reversal of 211121110022022 is 220220011121112.

211121110022022 is a `hidden beast` number, since 2 + 111 + 211 + 100 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211121110021986 and 211121110022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121110022021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6430525147 + ... + 6430557977.

It is an arithmetic number, because the mean of its divisors is an integer number (4950151786944).

Almost surely, 2^{211121110022022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211121110022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237607285773312).

211121110022022 is an abundant number, since it is smaller than the sum of its proper divisors (264093461524602).

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

211121110022022 is a wasteful number, since it uses less digits than its factorization.

211121110022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55976 (or 55964 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211121110022022 its reverse (220220011121112), we get a palindrome (431341121143134).

The spelling of 211121110022022 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, twenty-two thousand, twenty-two".