1222020211011 has 16 divisors (see below), whose sum is σ = 1641647808000. Its totient is φ = 808548463008.

The previous prime is 1222020211003. The next prime is 1222020211031. The reversal of 1222020211011 is 1101120202221.

It is not a de Polignac number, because 1222020211011 - 2³ = 1222020211003 is a prime.

It is a super-2 number, since 2×1222020211011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222020211031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105611 + ... + 1914788.

It is an arithmetic number, because the mean of its divisors is an integer number (102602988000).

Almost surely, 2^{1222020211011} is an apocalyptic number.

1222020211011 is a deficient number, since it is larger than the sum of its proper divisors (419627596989).

1222020211011 is a wasteful number, since it uses less digits than its factorization.

1222020211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021418.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222020211011 its reverse (1101120202221), we get a palindrome (2323140413232).

The spelling of 1222020211011 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred eleven thousand, eleven".