220101210122201 has 16 divisors (see below), whose sum is σ = 222086228901888. Its totient is φ = 218120236992000.

The previous prime is 220101210122173. The next prime is 220101210122219. The reversal of 220101210122201 is 102221012101022.

It is a cyclic number.

It is not a de Polignac number, because 220101210122201 - 2⁶ = 220101210122137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220101210122201.

It is not an unprimeable number, because it can be changed into a prime (220101210122401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513559601 + ... + 513988001.

It is an arithmetic number, because the mean of its divisors is an integer number (13880389306368).

Almost surely, 2^{220101210122201} is an apocalyptic number.

It is an amenable number.

220101210122201 is a deficient number, since it is larger than the sum of its proper divisors (1985018779687).

220101210122201 is a wasteful number, since it uses less digits than its factorization.

220101210122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220101210122201 its reverse (102221012101022), we get a palindrome (322322222223223).

The spelling of 220101210122201 in words is "two hundred twenty trillion, one hundred one billion, two hundred ten million, one hundred twenty-two thousand, two hundred one".