220211020220001 has 4 divisors (see below), whose sum is σ = 293614693626672. Its totient is φ = 146807346813332.

The previous prime is 220211020219973. The next prime is 220211020220033. The reversal of 220211020220001 is 100022020112022.

220211020220001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 220211020220001 - 2⁷ = 220211020219873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220211020220101) 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, 36701836703331 + ... + 36701836703336.

It is an arithmetic number, because the mean of its divisors is an integer number (73403673406668).

Almost surely, 2^{220211020220001} is an apocalyptic number.

It is an amenable number.

220211020220001 is a deficient number, since it is larger than the sum of its proper divisors (73403673406671).

220211020220001 is an equidigital number, since it uses as much as digits as its factorization.

220211020220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73403673406670.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220211020220001 its reverse (100022020112022), we get a palindrome (320233040332023).

The spelling of 220211020220001 in words is "two hundred twenty trillion, two hundred eleven billion, twenty million, two hundred twenty thousand, one".