1122022200020 has 48 divisors (see below), whose sum is σ = 2359907235840. Its totient is φ = 448111927296.

The previous prime is 1122022200001. The next prime is 1122022200023. The reversal of 1122022200020 is 200022202211.

It is a junction number, because it is equal to n+sod(n) for n = 1122022199968 and 1122022200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122022200023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88320989 + ... + 88333691.

It is an arithmetic number, because the mean of its divisors is an integer number (49164734080).

Almost surely, 2^{1122022200020} is an apocalyptic number.

1122022200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122022200020 is an abundant number, since it is smaller than the sum of its proper divisors (1237885035820).

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

1122022200020 is a wasteful number, since it uses less digits than its factorization.

1122022200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19224 (or 19222 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1122022200020 its reverse (200022202211), we get a palindrome (1322044402231).

The spelling of 1122022200020 in words is "one trillion, one hundred twenty-two billion, twenty-two million, two hundred thousand, twenty".