220211222220111 has 32 divisors (see below), whose sum is σ = 297957321510912. Its totient is φ = 144640649514240.

The previous prime is 220211222220091. The next prime is 220211222220137. The reversal of 220211222220111 is 111022222112022.

It is not a de Polignac number, because 220211222220111 - 2¹⁴ = 220211222203727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211222220811) 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, 4849056241 + ... + 4849101653.

It is an arithmetic number, because the mean of its divisors is an integer number (9311166297216).

Almost surely, 2^{220211222220111} is an apocalyptic number.

220211222220111 is a deficient number, since it is larger than the sum of its proper divisors (77746099290801).

220211222220111 is a wasteful number, since it uses less digits than its factorization.

220211222220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68823.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220211222220111 its reverse (111022222112022), we get a palindrome (331233444332133).

The spelling of 220211222220111 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, one hundred eleven".