1122110111020 has 12 divisors (see below), whose sum is σ = 2356431233184. Its totient is φ = 448844044400.

The previous prime is 1122110111009. The next prime is 1122110111021. The reversal of 1122110111020 is 201110112211.

It is a happy number.

It is a super-2 number, since 2×1122110111020² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122110111021) 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, 28052752756 + ... + 28052752795.

It is an arithmetic number, because the mean of its divisors is an integer number (196369269432).

Almost surely, 2^{1122110111020} is an apocalyptic number.

1122110111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122110111020 is an abundant number, since it is smaller than the sum of its proper divisors (1234321122164).

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

1122110111020 is a wasteful number, since it uses less digits than its factorization.

1122110111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56105505560 (or 56105505558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122110111020 its reverse (201110112211), we get a palindrome (1323220223231).

The spelling of 1122110111020 in words is "one trillion, one hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, twenty".