1121010012122 has 48 divisors (see below), whose sum is σ = 2270103475392. Its totient is φ = 403160434560.

The previous prime is 1121010012119. The next prime is 1121010012139. The reversal of 1121010012122 is 2212100101211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1121010012097 and 1121010012106.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21510323 + ... + 21562374.

It is an arithmetic number, because the mean of its divisors is an integer number (47293822404).

Almost surely, 2^{1121010012122} is an apocalyptic number.

1121010012122 is an abundant number, since it is smaller than the sum of its proper divisors (1149093463270).

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

1121010012122 is a wasteful number, since it uses less digits than its factorization.

1121010012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43072743 (or 43072730 counting only the distinct ones).

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

Adding to 1121010012122 its reverse (2212100101211), we get a palindrome (3333110113333).

The spelling of 1121010012122 in words is "one trillion, one hundred twenty-one billion, ten million, twelve thousand, one hundred twenty-two".