1110021000121 has 8 divisors (see below), whose sum is σ = 1218644944704. Its totient is φ = 1002682546320.

The previous prime is 1110021000113. The next prime is 1110021000211. The reversal of 1110021000121 is 1210001200111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1110021000121 - 2³ = 1110021000113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110021000098 and 1110021000107.

It is not an unprimeable number, because it can be changed into a prime (1110022000121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321370885 + ... + 321374338.

It is an arithmetic number, because the mean of its divisors is an integer number (152330618088).

Almost surely, 2^{1110021000121} is an apocalyptic number.

1110021000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110021000121 is a deficient number, since it is larger than the sum of its proper divisors (108623944583).

1110021000121 is a wasteful number, since it uses less digits than its factorization.

1110021000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642745391.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1110021000121 its reverse (1210001200111), we get a palindrome (2320022200232).

The spelling of 1110021000121 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred twenty-one", and thus it is an aban number.