2202012112221 has 24 divisors (see below), whose sum is σ = 3217882296096. Its totient is φ = 1450891346400.

The previous prime is 2202012112193. The next prime is 2202012112231. The reversal of 2202012112221 is 1222112102022.

It is a happy number.

2202012112221 is a `hidden beast` number, since 220 + 201 + 21 + 1 + 2 + 221 = 666.

It is not a de Polignac number, because 2202012112221 - 2¹³ = 2202012104029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202012112194 and 2202012112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202012112231) 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 23 ways as a sum of consecutive naturals, for example, 1639615 + ... + 2663148.

It is an arithmetic number, because the mean of its divisors is an integer number (134078429004).

Almost surely, 2^{2202012112221} is an apocalyptic number.

It is an amenable number.

2202012112221 is a deficient number, since it is larger than the sum of its proper divisors (1015870183875).

2202012112221 is a wasteful number, since it uses less digits than its factorization.

2202012112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303433 (or 4303430 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2202012112221 its reverse (1222112102022), we get a palindrome (3424124214243).

The spelling of 2202012112221 in words is "two trillion, two hundred two billion, twelve million, one hundred twelve thousand, two hundred twenty-one".