220010122001 has 4 divisors (see below), whose sum is σ = 220252691952. Its totient is φ = 219767552052.

The previous prime is 220010121973. The next prime is 220010122037. The reversal of 220010122001 is 100221010022.

It is a happy number.

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 220010122001 - 2¹⁰ = 220010120977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220010122061) 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, 121283615 + ... + 121285428.

It is an arithmetic number, because the mean of its divisors is an integer number (55063172988).

Almost surely, 2^220010122001 is an apocalyptic number.

It is an amenable number.

220010122001 is a deficient number, since it is larger than the sum of its proper divisors (242569951).

220010122001 is an equidigital number, since it uses as much as digits as its factorization.

220010122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242569950.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220010122001 its reverse (100221010022), we get a palindrome (320231132023).

The spelling of 220010122001 in words is "two hundred twenty billion, ten million, one hundred twenty-two thousand, one".