2211021222011 has 8 divisors (see below), whose sum is σ = 2675521478880. Its totient is φ = 1783680985728.

The previous prime is 2211021221939. The next prime is 2211021222023. The reversal of 2211021222011 is 1102221201122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2211021222011 - 2¹⁸ = 2211020959867 is a prime.

It is a super-2 number, since 2×2211021222011² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211021222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9290005016 + ... + 9290005253.

It is an arithmetic number, because the mean of its divisors is an integer number (334440184860).

Almost surely, 2^{2211021222011} is an apocalyptic number.

2211021222011 is a deficient number, since it is larger than the sum of its proper divisors (464500256869).

2211021222011 is a wasteful number, since it uses less digits than its factorization.

2211021222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18580010293.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211021222011 its reverse (1102221201122), we get a palindrome (3313242423133).

The spelling of 2211021222011 in words is "two trillion, two hundred eleven billion, twenty-one million, two hundred twenty-two thousand, eleven".