220100211002001 has 24 divisors (see below), whose sum is σ = 322584029953920. Its totient is φ = 133388723665120.

The previous prime is 220100211001981. The next prime is 220100211002017. The reversal of 220100211002001 is 100200112001022.

It is not a de Polignac number, because 220100211002001 - 2¹⁷ = 220100210870929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220100211002201) 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 23 ways as a sum of consecutive naturals, for example, 3061065 + ... + 21203078.

It is an arithmetic number, because the mean of its divisors is an integer number (13441001248080).

Almost surely, 2^{220100211002001} is an apocalyptic number.

It is an amenable number.

220100211002001 is a deficient number, since it is larger than the sum of its proper divisors (102483818951919).

220100211002001 is a wasteful number, since it uses less digits than its factorization.

220100211002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24289157 (or 24289146 counting only the distinct ones).

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

Adding to 220100211002001 its reverse (100200112001022), we get a palindrome (320300323003023).

The spelling of 220100211002001 in words is "two hundred twenty trillion, one hundred billion, two hundred eleven million, two thousand, one".