220102112001 has 4 divisors (see below), whose sum is σ = 293469482672. Its totient is φ = 146734741332.

The previous prime is 220102111967. The next prime is 220102112017. The reversal of 220102112001 is 100211201022.

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 not a de Polignac number, because 220102112001 - 2²³ = 220093723393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220102112201) 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, 36683685331 + ... + 36683685336.

It is an arithmetic number, because the mean of its divisors is an integer number (73367370668).

Almost surely, 2^220102112001 is an apocalyptic number.

It is an amenable number.

220102112001 is a deficient number, since it is larger than the sum of its proper divisors (73367370671).

220102112001 is an equidigital number, since it uses as much as digits as its factorization.

220102112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73367370670.

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

Adding to 220102112001 its reverse (100211201022), we get a palindrome (320313313023).

The spelling of 220102112001 in words is "two hundred twenty billion, one hundred two million, one hundred twelve thousand, one".