2212120211022 has 48 divisors (see below), whose sum is σ = 5003359949952. Its totient is φ = 732490111800.

The previous prime is 2212120211009. The next prime is 2212120211111. The reversal of 2212120211022 is 2201120212122.

It is a happy number.

2212120211022 is a `hidden beast` number, since 221 + 212 + 0 + 211 + 0 + 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 = 2212120210986 and 2212120211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14998428 + ... + 15145199.

It is an arithmetic number, because the mean of its divisors is an integer number (104236665624).

Almost surely, 2^{2212120211022} is an apocalyptic number.

2212120211022 is an abundant number, since it is smaller than the sum of its proper divisors (2791239738930).

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

2212120211022 is a wasteful number, since it uses less digits than its factorization.

2212120211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30143795 (or 30143783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212120211022 its reverse (2201120212122), we get a palindrome (4413240423144).

The spelling of 2212120211022 in words is "two trillion, two hundred twelve billion, one hundred twenty million, two hundred eleven thousand, twenty-two".