220001020211 has 24 divisors (see below), whose sum is σ = 271117257840. Its totient is φ = 177385754112.

The previous prime is 220001020189. The next prime is 220001020219. The reversal of 220001020211 is 112020100022.

It is a happy number.

It is not a de Polignac number, because 220001020211 - 2²⁶ = 219933911347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220001020192 and 220001020201.

It is not an unprimeable number, because it can be changed into a prime (220001020219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1524500 + ... + 1662558.

It is an arithmetic number, because the mean of its divisors is an integer number (11296552410).

Almost surely, 2^220001020211 is an apocalyptic number.

220001020211 is a deficient number, since it is larger than the sum of its proper divisors (51116237629).

220001020211 is a wasteful number, since it uses less digits than its factorization.

220001020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140003 (or 139996 counting only the distinct ones).

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

Adding to 220001020211 its reverse (112020100022), we get a palindrome (332021120233).

The spelling of 220001020211 in words is "two hundred twenty billion, one million, twenty thousand, two hundred eleven".