1110002021121 has 16 divisors (see below), whose sum is σ = 1708178502528. Its totient is φ = 628006800000.

The previous prime is 1110002021083. The next prime is 1110002021153. The reversal of 1110002021121 is 1211202000111.

It is not a de Polignac number, because 1110002021121 - 2¹⁴ = 1110002004737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110002021097 and 1110002021106.

It is not an unprimeable number, because it can be changed into a prime (1110002021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261667380 + ... + 261671621.

It is an arithmetic number, because the mean of its divisors is an integer number (106761156408).

Almost surely, 2^{1110002021121} is an apocalyptic number.

It is an amenable number.

1110002021121 is a deficient number, since it is larger than the sum of its proper divisors (598176481407).

1110002021121 is a wasteful number, since it uses less digits than its factorization.

1110002021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523339112.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1110002021121 its reverse (1211202000111), we get a palindrome (2321204021232).

The spelling of 1110002021121 in words is "one trillion, one hundred ten billion, two million, twenty-one thousand, one hundred twenty-one".