220110010111001 has 4 divisors (see below), whose sum is σ = 220606872436752. Its totient is φ = 219613147785252.

The previous prime is 220110010110899. The next prime is 220110010111021. The reversal of 220110010111001 is 100111010011022.

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 220110010111001 - 2²⁶ = 220109943002137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220110010111021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248431162211 + ... + 248431163096.

It is an arithmetic number, because the mean of its divisors is an integer number (55151718109188).

Almost surely, 2^{220110010111001} is an apocalyptic number.

It is an amenable number.

220110010111001 is a deficient number, since it is larger than the sum of its proper divisors (496862325751).

220110010111001 is an equidigital number, since it uses as much as digits as its factorization.

220110010111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496862325750.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 220110010111001 its reverse (100111010011022), we get a palindrome (320221020122023).

The spelling of 220110010111001 in words is "two hundred twenty trillion, one hundred ten billion, ten million, one hundred eleven thousand, one".