220100212011 has 4 divisors (see below), whose sum is σ = 293466949352. Its totient is φ = 146733474672.

The previous prime is 220100211967. The next prime is 220100212039. The reversal of 220100212011 is 110212001022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220100212011 - 2¹³ = 220100203819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220100217011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36683368666 + ... + 36683368671.

It is an arithmetic number, because the mean of its divisors is an integer number (73366737338).

Almost surely, 2^220100212011 is an apocalyptic number.

220100212011 is a deficient number, since it is larger than the sum of its proper divisors (73366737341).

220100212011 is an equidigital number, since it uses as much as digits as its factorization.

220100212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73366737340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220100212011 its reverse (110212001022), we get a palindrome (330312213033).

The spelling of 220100212011 in words is "two hundred twenty billion, one hundred million, two hundred twelve thousand, eleven".