1122001010021 has 8 divisors (see below), whose sum is σ = 1188019954944. Its totient is φ = 1055984163520.

The previous prime is 1122001009999. The next prime is 1122001010047. The reversal of 1122001010021 is 1200101002211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122001010021 - 2⁶ = 1122001009957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122001009984 and 1122001010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122001010321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651596 + ... + 1633578.

It is an arithmetic number, because the mean of its divisors is an integer number (148502494368).

Almost surely, 2^{1122001010021} is an apocalyptic number.

It is an amenable number.

1122001010021 is a deficient number, since it is larger than the sum of its proper divisors (66018944923).

1122001010021 is an equidigital number, since it uses as much as digits as its factorization.

1122001010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049211.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1122001010021 its reverse (1200101002211), we get a palindrome (2322102012232).

The spelling of 1122001010021 in words is "one trillion, one hundred twenty-two billion, one million, ten thousand, twenty-one".