220012220101 has 8 divisors (see below), whose sum is σ = 221585982840. Its totient is φ = 218441929152.

The previous prime is 220012220081. The next prime is 220012220107. The reversal of 220012220101 is 101022210022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 153589529025 + 66422691076 = 391905^2 + 257726^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220012220101 - 2¹⁷ = 220012089029 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 (220012220107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740686 + ... + 994303.

It is an arithmetic number, because the mean of its divisors is an integer number (27698247855).

Almost surely, 2^220012220101 is an apocalyptic number.

It is an amenable number.

220012220101 is a deficient number, since it is larger than the sum of its proper divisors (1573762739).

220012220101 is a wasteful number, since it uses less digits than its factorization.

220012220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735895.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220012220101 its reverse (101022210022), we get a palindrome (321034430123).

The spelling of 220012220101 in words is "two hundred twenty billion, twelve million, two hundred twenty thousand, one hundred one".