1122012221011 has 32 divisors (see below), whose sum is σ = 1300977849600. Its totient is φ = 956339758080.

The previous prime is 1122012220999. The next prime is 1122012221017. The reversal of 1122012221011 is 1101222102211.

It is a cyclic number.

It is not a de Polignac number, because 1122012221011 - 2⁷ = 1122012220883 is a prime.

It is a super-2 number, since 2×1122012221011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122012221017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62571895 + ... + 62589823.

It is an arithmetic number, because the mean of its divisors is an integer number (40655557800).

Almost surely, 2^{1122012221011} is an apocalyptic number.

1122012221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122012221011 is a deficient number, since it is larger than the sum of its proper divisors (178965628589).

1122012221011 is a wasteful number, since it uses less digits than its factorization.

1122012221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19219.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122012221011 its reverse (1101222102211), we get a palindrome (2223234323222).

It can be divided in two parts, 11 and 22012221011, that added together give a palindrome (22012221022).

The spelling of 1122012221011 in words is "one trillion, one hundred twenty-two billion, twelve million, two hundred twenty-one thousand, eleven".