220101011212001 has 16 divisors (see below), whose sum is σ = 223293573296640. Its totient is φ = 216918633122880.

The previous prime is 220101011211929. The next prime is 220101011212009. The reversal of 220101011212001 is 100212110101022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220101011212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101011212009) 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, 3023453735 + ... + 3023526531.

It is an arithmetic number, because the mean of its divisors is an integer number (13955848331040).

Almost surely, 2^{220101011212001} is an apocalyptic number.

It is an amenable number.

220101011212001 is a deficient number, since it is larger than the sum of its proper divisors (3192562084639).

220101011212001 is an equidigital number, since it uses as much as digits as its factorization.

220101011212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142144.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220101011212001 its reverse (100212110101022), we get a palindrome (320313121313023).

The spelling of 220101011212001 in words is "two hundred twenty trillion, one hundred one billion, eleven million, two hundred twelve thousand, one".