2200002120021 has 16 divisors (see below), whose sum is σ = 3106018656000. Its totient is φ = 1380334238208.

The previous prime is 2200002120011. The next prime is 2200002120031. The reversal of 2200002120021 is 1200212000022.

It is an interprime number because it is at equal distance from previous prime (2200002120011) and next prime (2200002120031).

It is not a de Polignac number, because 2200002120021 - 2²⁹ = 2199465249109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200002119979 and 2200002120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200002120011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289585 + ... + 2117513.

It is an arithmetic number, because the mean of its divisors is an integer number (194126166000).

Almost surely, 2^{2200002120021} is an apocalyptic number.

It is an amenable number.

2200002120021 is a deficient number, since it is larger than the sum of its proper divisors (906016535979).

2200002120021 is a wasteful number, since it uses less digits than its factorization.

2200002120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851548.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2200002120021 its reverse (1200212000022), we get a palindrome (3400214120043).

The spelling of 2200002120021 in words is "two trillion, two hundred billion, two million, one hundred twenty thousand, twenty-one".