1122120111020 has 12 divisors (see below), whose sum is σ = 2356452233184. Its totient is φ = 448848044400.

The previous prime is 1122120111019. The next prime is 1122120111029. The reversal of 1122120111020 is 201110212211.

It is a junction number, because it is equal to n+sod(n) for n = 1122120110986 and 1122120111004.

It is not an unprimeable number, because it can be changed into a prime (1122120111029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28053002756 + ... + 28053002795.

It is an arithmetic number, because the mean of its divisors is an integer number (196371019432).

Almost surely, 2^{1122120111020} is an apocalyptic number.

1122120111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122120111020 is an abundant number, since it is smaller than the sum of its proper divisors (1234332122164).

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

1122120111020 is a wasteful number, since it uses less digits than its factorization.

1122120111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56106005560 (or 56106005558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122120111020 its reverse (201110212211), we get a palindrome (1323230323231).

The spelling of 1122120111020 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, twenty".