220000012122111 has 16 divisors (see below), whose sum is σ = 323243905708416. Its totient is φ = 132236143242336.

The previous prime is 220000012122091. The next prime is 220000012122131. The reversal of 220000012122111 is 111221210000022.

It is an interprime number because it is at equal distance from previous prime (220000012122091) and next prime (220000012122131).

It is not a de Polignac number, because 220000012122111 - 2²¹ = 220000010024959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000012122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65593323345 + ... + 65593326698.

It is an arithmetic number, because the mean of its divisors is an integer number (20202744106776).

Almost surely, 2^{220000012122111} is an apocalyptic number.

220000012122111 is a deficient number, since it is larger than the sum of its proper divisors (103243893586305).

220000012122111 is a wasteful number, since it uses less digits than its factorization.

220000012122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131186650102.

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

Adding to 220000012122111 its reverse (111221210000022), we get a palindrome (331221222122133).

The spelling of 220000012122111 in words is "two hundred twenty trillion, twelve million, one hundred twenty-two thousand, one hundred eleven".