2120223122056 has 32 divisors (see below), whose sum is σ = 4282801871040. Its totient is φ = 978202893888.

The previous prime is 2120223122041. The next prime is 2120223122057. The reversal of 2120223122056 is 6502213220212.

It is not an unprimeable number, because it can be changed into a prime (2120223122057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3484036 + ... + 4047091.

It is an arithmetic number, because the mean of its divisors is an integer number (133837558470).

Almost surely, 2^{2120223122056} is an apocalyptic number.

2120223122056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2120223122056 is an abundant number, since it is smaller than the sum of its proper divisors (2162578748984).

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

2120223122056 is a wasteful number, since it uses less digits than its factorization.

2120223122056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533853 (or 7533849 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 2120223122056 its reverse (6502213220212), we get a palindrome (8622436342268).

The spelling of 2120223122056 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred twenty-two thousand, fifty-six".