1222011222411 has 48 divisors (see below), whose sum is σ = 2009409607296. Its totient is φ = 656379972864.

The previous prime is 1222011222349. The next prime is 1222011222437. The reversal of 1222011222411 is 1142221102221.

It is not a de Polignac number, because 1222011222411 - 2⁶ = 1222011222347 is a prime.

It is a super-2 number, since 2×1222011222411² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1222011222011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1656040 + ... + 2277386.

It is an arithmetic number, because the mean of its divisors is an integer number (41862700152).

Almost surely, 2^{1222011222411} is an apocalyptic number.

1222011222411 is a deficient number, since it is larger than the sum of its proper divisors (787398384885).

1222011222411 is a wasteful number, since it uses less digits than its factorization.

1222011222411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622168 (or 622161 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1222011222411 its reverse (1142221102221), we get a palindrome (2364232324632).

The spelling of 1222011222411 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, four hundred eleven".