1011121002122 has 16 divisors (see below), whose sum is σ = 1890927588672. Its totient is φ = 393943247520.

The previous prime is 1011121002109. The next prime is 1011121002181. The reversal of 1011121002122 is 2212001211101.

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 = 1011121002097 and 1011121002106.

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 7 ways as a sum of consecutive naturals, for example, 3282860243 + ... + 3282860550.

It is an arithmetic number, because the mean of its divisors is an integer number (118182974292).

Almost surely, 2^{1011121002122} is an apocalyptic number.

1011121002122 is a deficient number, since it is larger than the sum of its proper divisors (879806586550).

1011121002122 is a wasteful number, since it uses less digits than its factorization.

1011121002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565720813.

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

Adding to 1011121002122 its reverse (2212001211101), we get a palindrome (3223122213223).

The spelling of 1011121002122 in words is "one trillion, eleven billion, one hundred twenty-one million, two thousand, one hundred twenty-two".