220220202120111 has 12 divisors (see below), whose sum is σ = 321375186142192. Its totient is φ = 145299927171456.

The previous prime is 220220202120059. The next prime is 220220202120133. The reversal of 220220202120111 is 111021202022022.

It is a happy number.

220220202120111 is a `hidden beast` number, since 220 + 220 + 2 + 0 + 21 + 201 + 1 + 1 = 666.

220220202120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-220220202120111 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 (220220202120151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126128408131 + ... + 126128409876.

Almost surely, 2^{220220202120111} is an apocalyptic number.

220220202120111 is a deficient number, since it is larger than the sum of its proper divisors (101154984022081).

220220202120111 is a wasteful number, since it uses less digits than its factorization.

220220202120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252256818110 (or 252256818107 counting only the distinct ones).

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

Adding to 220220202120111 its reverse (111021202022022), we get a palindrome (331241404142133).

The spelling of 220220202120111 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred two million, one hundred twenty thousand, one hundred eleven".