2110120101021 has 8 divisors (see below), whose sum is σ = 2813508974880. Its totient is φ = 1406738980592.

The previous prime is 2110120101017. The next prime is 2110120101041. The reversal of 2110120101021 is 1201010210112.

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 2110120101021 - 2² = 2110120101017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2110120100988 and 2110120101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110120101041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270455 + ... + 2415428.

It is an arithmetic number, because the mean of its divisors is an integer number (351688621860).

Almost surely, 2^{2110120101021} is an apocalyptic number.

It is an amenable number.

2110120101021 is a deficient number, since it is larger than the sum of its proper divisors (703388873859).

2110120101021 is a wasteful number, since it uses less digits than its factorization.

2110120101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876715.

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

Adding to 2110120101021 its reverse (1201010210112), we get a palindrome (3311130311133).

The spelling of 2110120101021 in words is "two trillion, one hundred ten billion, one hundred twenty million, one hundred one thousand, twenty-one".