1021110001121 has 8 divisors (see below), whose sum is σ = 1167204213504. Its totient is φ = 875071127520.

The previous prime is 1021110000997. The next prime is 1021110001129. The reversal of 1021110001121 is 1211000111201.

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 1021110001121 - 2³⁴ = 1003930131937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021110001129) 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, 13795145 + ... + 13868966.

It is an arithmetic number, because the mean of its divisors is an integer number (145900526688).

Almost surely, 2^{1021110001121} is an apocalyptic number.

It is an amenable number.

1021110001121 is a deficient number, since it is larger than the sum of its proper divisors (146094212383).

1021110001121 is an equidigital number, since it uses as much as digits as its factorization.

1021110001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669391.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1021110001121 its reverse (1211000111201), we get a palindrome (2232110112322).

The spelling of 1021110001121 in words is "one trillion, twenty-one billion, one hundred ten million, one thousand, one hundred twenty-one".