2110202033021 has 4 divisors (see below), whose sum is σ = 2110236220092. Its totient is φ = 2110167845952.

The previous prime is 2110202033003. The next prime is 2110202033087. The reversal of 2110202033021 is 1203302020112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638321102500 + 1471880930521 = 798950^2 + 1213211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110202033021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110202933021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17000780 + ... + 17124453.

It is an arithmetic number, because the mean of its divisors is an integer number (527559055023).

Almost surely, 2^{2110202033021} is an apocalyptic number.

It is an amenable number.

2110202033021 is a deficient number, since it is larger than the sum of its proper divisors (34187071).

2110202033021 is an equidigital number, since it uses as much as digits as its factorization.

2110202033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34187070.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2110202033021 its reverse (1203302020112), we get a palindrome (3313504053133).

The spelling of 2110202033021 in words is "two trillion, one hundred ten billion, two hundred two million, thirty-three thousand, twenty-one".