2200212223021 has 4 divisors (see below), whose sum is σ = 2329636471452. Its totient is φ = 2070787974592.

The previous prime is 2200212222961. The next prime is 2200212223039. The reversal of 2200212223021 is 1203222120022.

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 1020079800100 + 1180132422921 = 1009990^2 + 1086339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200212223021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2200212223021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200212223921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64712124190 + ... + 64712124223.

It is an arithmetic number, because the mean of its divisors is an integer number (582409117863).

Almost surely, 2^{2200212223021} is an apocalyptic number.

It is an amenable number.

2200212223021 is a deficient number, since it is larger than the sum of its proper divisors (129424248431).

2200212223021 is a wasteful number, since it uses less digits than its factorization.

2200212223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129424248430.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2200212223021 its reverse (1203222120022), we get a palindrome (3403434343043).

The spelling of 2200212223021 in words is "two trillion, two hundred billion, two hundred twelve million, two hundred twenty-three thousand, twenty-one".