2020221222111 has 6 divisors (see below), whose sum is σ = 2918097320840. Its totient is φ = 1346814148068.

The previous prime is 2020221222091. The next prime is 2020221222161. The reversal of 2020221222111 is 1112221220202.

It is a happy number.

2020221222111 is a `hidden beast` number, since 20 + 202 + 212 + 221 + 11 = 666.

It is not a de Polignac number, because 2020221222111 - 2¹¹ = 2020221220063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020221222161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112234512331 + ... + 112234512348.

Almost surely, 2^{2020221222111} is an apocalyptic number.

2020221222111 is a deficient number, since it is larger than the sum of its proper divisors (897876098729).

2020221222111 is a wasteful number, since it uses less digits than its factorization.

2020221222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224469024685 (or 224469024682 counting only the distinct ones).

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

Adding to 2020221222111 its reverse (1112221220202), we get a palindrome (3132442442313).

The spelling of 2020221222111 in words is "two trillion, twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".