1122021000112 has 40 divisors (see below), whose sum is σ = 2387825026560. Its totient is φ = 508375644480.

The previous prime is 1122021000013. The next prime is 1122021000119. The reversal of 1122021000112 is 2110001202211.

It is a super-2 number, since 2×1122021000112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122021000092 and 1122021000101.

It is not an unprimeable number, because it can be changed into a prime (1122021000119) 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 7 ways as a sum of consecutive naturals, for example, 80229064 + ... + 80243047.

It is an arithmetic number, because the mean of its divisors is an integer number (59695625664).

Almost surely, 2^{1122021000112} is an apocalyptic number.

It is an amenable number.

1122021000112 is an abundant number, since it is smaller than the sum of its proper divisors (1265804026448).

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

1122021000112 is a wasteful number, since it uses less digits than its factorization.

1122021000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160472161 (or 160472155 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122021000112 its reverse (2110001202211), we get a palindrome (3232022202323).

The spelling of 1122021000112 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one hundred twelve", and thus it is an aban number.