2033212313021 has 4 divisors (see below), whose sum is σ = 2034106821372. Its totient is φ = 2032317804672.

The previous prime is 2033212313017. The next prime is 2033212313029. The reversal of 2033212313021 is 1203132123302.

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 1153499628121 + 879712684900 = 1074011^2 + 937930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033212313021 - 2² = 2033212313017 is a prime.

It is a super-2 number, since 2×2033212313021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033212313029) 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, 447250766 + ... + 447255311.

It is an arithmetic number, because the mean of its divisors is an integer number (508526705343).

Almost surely, 2^{2033212313021} is an apocalyptic number.

It is an amenable number.

2033212313021 is a deficient number, since it is larger than the sum of its proper divisors (894508351).

2033212313021 is an equidigital number, since it uses as much as digits as its factorization.

2033212313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894508350.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2033212313021 its reverse (1203132123302), we get a palindrome (3236344436323).

The spelling of 2033212313021 in words is "two trillion, thirty-three billion, two hundred twelve million, three hundred thirteen thousand, twenty-one".