220020200121111 has 32 divisors (see below), whose sum is σ = 322097568532992. Its totient is φ = 132755614692480.

The previous prime is 220020200121089. The next prime is 220020200121149. The reversal of 220020200121111 is 111121002020022.

It is not a de Polignac number, because 220020200121111 - 2²¹ = 220020198023959 is a prime.

It is a super-2 number, since 2×220020200121111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020200121151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31598395 + ... + 37927548.

It is an arithmetic number, because the mean of its divisors is an integer number (10065549016656).

Almost surely, 2^{220020200121111} is an apocalyptic number.

220020200121111 is a deficient number, since it is larger than the sum of its proper divisors (102077368411881).

220020200121111 is a wasteful number, since it uses less digits than its factorization.

220020200121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69527543.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220020200121111 its reverse (111121002020022), we get a palindrome (331141202141133).

The spelling of 220020200121111 in words is "two hundred twenty trillion, twenty billion, two hundred million, one hundred twenty-one thousand, one hundred eleven".