10220220211 has 4 divisors (see below), whose sum is σ = 10221020992. Its totient is φ = 10219419432.

The previous prime is 10220220209. The next prime is 10220220229. The reversal of 10220220211 is 11202202201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11202202201 = 10259 ⋅1091939.

It is a cyclic number.

It is not a de Polignac number, because 10220220211 - 2¹ = 10220220209 is a prime.

It is a super-2 number, since 2×10220220211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220220191 and 10220220200.

It is not an unprimeable number, because it can be changed into a prime (10220220271) 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, 380931 + ... + 406876.

It is an arithmetic number, because the mean of its divisors is an integer number (2555255248).

Almost surely, 2^10220220211 is an apocalyptic number.

10220220211 is a deficient number, since it is larger than the sum of its proper divisors (800781).

10220220211 is an equidigital number, since it uses as much as digits as its factorization.

10220220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800780.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10220220211 its reverse (11202202201), we get a palindrome (21422422412).

The spelling of 10220220211 in words is "ten billion, two hundred twenty million, two hundred twenty thousand, two hundred eleven".