220120010211111 has 16 divisors (see below), whose sum is σ = 307482678371328. Its totient is φ = 139893314140800.

The previous prime is 220120010211067. The next prime is 220120010211113. The reversal of 220120010211111 is 111112010021022.

It is a happy number.

It is not a de Polignac number, because 220120010211111 - 2¹⁴ = 220120010194727 is a prime.

It is a super-2 number, since 2×220120010211111² (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 (220120010211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17663291010 + ... + 17663303471.

It is an arithmetic number, because the mean of its divisors is an integer number (19217667398208).

Almost surely, 2^{220120010211111} is an apocalyptic number.

220120010211111 is a deficient number, since it is larger than the sum of its proper divisors (87362668160217).

220120010211111 is a wasteful number, since it uses less digits than its factorization.

220120010211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35326594582.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220120010211111 its reverse (111112010021022), we get a palindrome (331232020232133).

The spelling of 220120010211111 in words is "two hundred twenty trillion, one hundred twenty billion, ten million, two hundred eleven thousand, one hundred eleven".