220212122120111 has 8 divisors (see below), whose sum is σ = 240243772034304. Its totient is φ = 200182533220120.

The previous prime is 220212122120077. The next prime is 220212122120129. The reversal of 220212122120111 is 111021221212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-220212122120111 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 (220212122120141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515030135 + ... + 515457528.

It is an arithmetic number, because the mean of its divisors is an integer number (30030471504288).

Almost surely, 2^{220212122120111} is an apocalyptic number.

220212122120111 is a deficient number, since it is larger than the sum of its proper divisors (20031649914193).

220212122120111 is a wasteful number, since it uses less digits than its factorization.

220212122120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030507101.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220212122120111 its reverse (111021221212022), we get a palindrome (331233343332133).

The spelling of 220212122120111 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".