1110021020012 has 24 divisors (see below), whose sum is σ = 2050347210240. Its totient is φ = 524366721360.

The previous prime is 1110021020011. The next prime is 1110021020113. The reversal of 1110021020012 is 2100201200111.

It is a junction number, because it is equal to n+sod(n) for n = 1110021019975 and 1110021020002.

It is not an unprimeable number, because it can be changed into a prime (1110021020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19870664 + ... + 19926447.

It is an arithmetic number, because the mean of its divisors is an integer number (85431133760).

Almost surely, 2^{1110021020012} is an apocalyptic number.

It is an amenable number.

1110021020012 is a deficient number, since it is larger than the sum of its proper divisors (940326190228).

1110021020012 is a wasteful number, since it uses less digits than its factorization.

1110021020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39797501 (or 39797499 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1110021020012 its reverse (2100201200111), we get a palindrome (3210222220123).

The spelling of 1110021020012 in words is "one trillion, one hundred ten billion, twenty-one million, twenty thousand, twelve".