2110210121021 has 8 divisors (see below), whose sum is σ = 2122931061504. Its totient is φ = 2097507605760.

The previous prime is 2110210120981. The next prime is 2110210121027. The reversal of 2110210121021 is 1201210120112.

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 2110210121021 - 2³⁰ = 2109136379197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110210120987 and 2110210121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110210121027) 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, 4376525 + ... + 4834706.

It is an arithmetic number, because the mean of its divisors is an integer number (265366382688).

Almost surely, 2^{2110210121021} is an apocalyptic number.

It is an amenable number.

2110210121021 is a deficient number, since it is larger than the sum of its proper divisors (12720940483).

2110210121021 is a wasteful number, since it uses less digits than its factorization.

2110210121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212611.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2110210121021 its reverse (1201210120112), we get a palindrome (3311420241133).

Subtracting from 2110210121021 its reverse (1201210120112), we obtain a palindrome (909000000909).

The spelling of 2110210121021 in words is "two trillion, one hundred ten billion, two hundred ten million, one hundred twenty-one thousand, twenty-one".