220212122102201 has 4 divisors (see below), whose sum is σ = 220825526342400. Its totient is φ = 219598717862004.

The previous prime is 220212122102149. The next prime is 220212122102239. The reversal of 220212122102201 is 102201221212022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220212122102201 - 2³⁰ = 220211048360377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220212122102101) 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 3 ways as a sum of consecutive naturals, for example, 306702119561 + ... + 306702120278.

It is an arithmetic number, because the mean of its divisors is an integer number (55206381585600).

Almost surely, 2^{220212122102201} is an apocalyptic number.

It is an amenable number.

220212122102201 is a deficient number, since it is larger than the sum of its proper divisors (613404240199).

220212122102201 is an equidigital number, since it uses as much as digits as its factorization.

220212122102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613404240198.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220212122102201 its reverse (102201221212022), we get a palindrome (322413343314223).

The spelling of 220212122102201 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred one".