2120221112022 has 48 divisors (see below), whose sum is σ = 4954759035408. Its totient is φ = 651376635840.

The previous prime is 2120221112011. The next prime is 2120221112027. The reversal of 2120221112022 is 2202111220212.

It is a happy number.

It is a super-3 number, since 3×2120221112022³ (a number of 38 digits) contains 333 as substring.

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 = 2120221111986 and 2120221112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120221112027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6785004 + ... + 7090607.

It is an arithmetic number, because the mean of its divisors is an integer number (103224146571).

Almost surely, 2^{2120221112022} is an apocalyptic number.

2120221112022 is an abundant number, since it is smaller than the sum of its proper divisors (2834537923386).

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

2120221112022 is a wasteful number, since it uses less digits than its factorization.

2120221112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13876285 (or 13876282 counting only the distinct ones).

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

Adding to 2120221112022 its reverse (2202111220212), we get a palindrome (4322332332234).

The spelling of 2120221112022 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, twenty-two".