2220202010121 has 8 divisors (see below), whose sum is σ = 3040276626624. Its totient is φ = 1440131033520.

The previous prime is 2220202010119. The next prime is 2220202010153. The reversal of 2220202010121 is 1210102020222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220202010121 - 2¹ = 2220202010119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220202010121.

It is not an unprimeable number, because it can be changed into a prime (2220202010171) 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 7 ways as a sum of consecutive naturals, for example, 10000909845 + ... + 10000910066.

It is an arithmetic number, because the mean of its divisors is an integer number (380034578328).

Almost surely, 2^{2220202010121} is an apocalyptic number.

It is an amenable number.

2220202010121 is a deficient number, since it is larger than the sum of its proper divisors (820074616503).

2220202010121 is a wasteful number, since it uses less digits than its factorization.

2220202010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001819951.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220202010121 its reverse (1210102020222), we get a palindrome (3430304030343).

The spelling of 2220202010121 in words is "two trillion, two hundred twenty billion, two hundred two million, ten thousand, one hundred twenty-one".