2200221222021 has 48 divisors (see below), whose sum is σ = 3373730555520. Its totient is φ = 1379980748160.

The previous prime is 2200221222007. The next prime is 2200221222047. The reversal of 2200221222021 is 1202221220022.

2200221222021 is a `hidden beast` number, since 2 + 200 + 221 + 2 + 220 + 21 = 666.

It is not a de Polignac number, because 2200221222021 - 2¹⁵ = 2200221189253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200221221985 and 2200221222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200221202021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280536 + ... + 2116398.

It is an arithmetic number, because the mean of its divisors is an integer number (70286053240).

Almost surely, 2^{2200221222021} is an apocalyptic number.

It is an amenable number.

2200221222021 is a deficient number, since it is larger than the sum of its proper divisors (1173509333499).

2200221222021 is a wasteful number, since it uses less digits than its factorization.

2200221222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836026 (or 1836023 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2200221222021 its reverse (1202221220022), we get a palindrome (3402442442043).

It can be divided in two parts, 2200221 and 222021, that added together give a palindrome (2422242).

The spelling of 2200221222021 in words is "two trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".