2220020121211 has 4 divisors (see below), whose sum is σ = 2220057412632. Its totient is φ = 2219982829792.

The previous prime is 2220020121191. The next prime is 2220020121233. The reversal of 2220020121211 is 1121210200222.

It is a happy number.

2220020121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220020121211 - 2¹³ = 2220020113019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220020121251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18556270 + ... + 18675523.

It is an arithmetic number, because the mean of its divisors is an integer number (555014353158).

Almost surely, 2^{2220020121211} is an apocalyptic number.

2220020121211 is a deficient number, since it is larger than the sum of its proper divisors (37291421).

2220020121211 is an equidigital number, since it uses as much as digits as its factorization.

2220020121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37291420.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2220020121211 its reverse (1121210200222), we get a palindrome (3341230321433).

The spelling of 2220020121211 in words is "two trillion, two hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred eleven".