2110011020021 has 8 divisors (see below), whose sum is σ = 2133749885400. Its totient is φ = 2086272840960.

The previous prime is 2110011019999. The next prime is 2110011020023. The reversal of 2110011020021 is 1200201100112.

It can be written as a sum of positive squares in 4 ways, for example, as 810160207921 + 1299850812100 = 900089^2 + 1140110^2 .

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 2110011020021 - 2⁶ = 2110011019957 is a prime.

It is a super-2 number, since 2×2110011020021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110011019984 and 2110011020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110011020023) 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, 8414111 + ... + 8661251.

It is an arithmetic number, because the mean of its divisors is an integer number (266718735675).

Almost surely, 2^{2110011020021} is an apocalyptic number.

It is an amenable number.

2110011020021 is a deficient number, since it is larger than the sum of its proper divisors (23738865379).

2110011020021 is an equidigital number, since it uses as much as digits as its factorization.

2110011020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343159.

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

Adding to 2110011020021 its reverse (1200201100112), we get a palindrome (3310212120133).

The spelling of 2110011020021 in words is "two trillion, one hundred ten billion, eleven million, twenty thousand, twenty-one".