1122001101021 has 4 divisors (see below), whose sum is σ = 1496001468032. Its totient is φ = 748000734012.

The previous prime is 1122001100911. The next prime is 1122001101029. The reversal of 1122001101021 is 1201011002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1122001101021 - 2¹⁷ = 1122000969949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122001100988 and 1122001101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122001101029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187000183501 + ... + 187000183506.

It is an arithmetic number, because the mean of its divisors is an integer number (374000367008).

Almost surely, 2^{1122001101021} is an apocalyptic number.

It is an amenable number.

1122001101021 is a deficient number, since it is larger than the sum of its proper divisors (374000367011).

1122001101021 is an equidigital number, since it uses as much as digits as its factorization.

1122001101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374000367010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1122001101021 its reverse (1201011002211), we get a palindrome (2323012103232).

The spelling of 1122001101021 in words is "one trillion, one hundred twenty-two billion, one million, one hundred one thousand, twenty-one".