220101100120001 has 8 divisors (see below), whose sum is σ = 220483580688480. Its totient is φ = 219718623091968.

The previous prime is 220101100119997. The next prime is 220101100120019. The reversal of 220101100120001 is 100021001101022.

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 220101100120001 - 2² = 220101100119997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101100120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144194150 + ... + 145712576.

It is an arithmetic number, because the mean of its divisors is an integer number (27560447586060).

Almost surely, 2^{220101100120001} is an apocalyptic number.

It is an amenable number.

220101100120001 is a deficient number, since it is larger than the sum of its proper divisors (382480568479).

220101100120001 is a wasteful number, since it uses less digits than its factorization.

220101100120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770223.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220101100120001 its reverse (100021001101022), we get a palindrome (320122101221023).

The spelling of 220101100120001 in words is "two hundred twenty trillion, one hundred one billion, one hundred million, one hundred twenty thousand, one".