1122120222020 has 48 divisors (see below), whose sum is σ = 2810179346688. Its totient is φ = 367999674240.

The previous prime is 1122120221939. The next prime is 1122120222029. The reversal of 1122120222020 is 202220212211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122120222020.

It is not an unprimeable number, because it can be changed into a prime (1122120222029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174239051 + ... + 174245490.

It is an arithmetic number, because the mean of its divisors is an integer number (58545403056).

Almost surely, 2^{1122120222020} is an apocalyptic number.

1122120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122120222020 is an abundant number, since it is smaller than the sum of its proper divisors (1688059124668).

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

1122120222020 is a wasteful number, since it uses less digits than its factorization.

1122120222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348484580 (or 348484578 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1122120222020 its reverse (202220212211), we get a palindrome (1324340434231).

The spelling of 1122120222020 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, twenty".