1122012110021 has 16 divisors (see below), whose sum is σ = 1229412384000. Its totient is φ = 1015513632000.

The previous prime is 1122012110017. The next prime is 1122012110123. The reversal of 1122012110021 is 1200112102211.

It is a cyclic number.

It is not a de Polignac number, because 1122012110021 - 2² = 1122012110017 is a prime.

It is a super-2 number, since 2×1122012110021² (a number of 25 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 = 1122012109978 and 1122012110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122012116021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12176321 + ... + 12268121.

It is an arithmetic number, because the mean of its divisors is an integer number (76838274000).

Almost surely, 2^{1122012110021} is an apocalyptic number.

1122012110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122012110021 is a deficient number, since it is larger than the sum of its proper divisors (107400273979).

1122012110021 is a wasteful number, since it uses less digits than its factorization.

1122012110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96700.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122012110021 its reverse (1200112102211), we get a palindrome (2322124212232).

It can be divided in two parts, 112201 and 2110021, that added together give a palindrome (2222222).

The spelling of 1122012110021 in words is "one trillion, one hundred twenty-two billion, twelve million, one hundred ten thousand, twenty-one".