1122002011021 has 4 divisors (see below), whose sum is σ = 1132488011232. Its totient is φ = 1111516010812.

The previous prime is 1122002011019. The next prime is 1122002011027. The reversal of 1122002011021 is 1201102002211.

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 a cyclic number.

It is not a de Polignac number, because 1122002011021 - 2¹ = 1122002011019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122002010992 and 1122002011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122002011027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5242999945 + ... + 5243000158.

It is an arithmetic number, because the mean of its divisors is an integer number (283122002808).

Almost surely, 2^{1122002011021} is an apocalyptic number.

It is an amenable number.

1122002011021 is a deficient number, since it is larger than the sum of its proper divisors (10486000211).

1122002011021 is a wasteful number, since it uses less digits than its factorization.

1122002011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486000210.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122002011021 its reverse (1201102002211), we get a palindrome (2323104013232).

The spelling of 1122002011021 in words is "one trillion, one hundred twenty-two billion, two million, eleven thousand, twenty-one".