220212122220101 has 48 divisors (see below), whose sum is σ = 244126478643264. Its totient is φ = 198484915200000.

The previous prime is 220212122220059. The next prime is 220212122220137. The reversal of 220212122220101 is 101022221212022.

It is not a de Polignac number, because 220212122220101 - 2⁶ = 220212122220037 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 (220212122220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12590015966 + ... + 12590033456.

It is an arithmetic number, because the mean of its divisors is an integer number (5085968305068).

Almost surely, 2^{220212122220101} is an apocalyptic number.

It is an amenable number.

220212122220101 is a deficient number, since it is larger than the sum of its proper divisors (23914356423163).

220212122220101 is a wasteful number, since it uses less digits than its factorization.

220212122220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19634 (or 19623 counting only the distinct ones).

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

Adding to 220212122220101 its reverse (101022221212022), we get a palindrome (321234343432123).

The spelling of 220212122220101 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred one".