1322011000021 has 8 divisors (see below), whose sum is σ = 1342060968960. Its totient is φ = 1301970397728.

The previous prime is 1322010999989. The next prime is 1322011000087. The reversal of 1322011000021 is 1200001102231.

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 1322011000021 - 2⁵ = 1322010999989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322010999965 and 1322011000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322011004021) 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, 2056981 + ... + 2622058.

It is an arithmetic number, because the mean of its divisors is an integer number (167757621120).

Almost surely, 2^{1322011000021} is an apocalyptic number.

It is an amenable number.

1322011000021 is a deficient number, since it is larger than the sum of its proper divisors (20049968939).

1322011000021 is an equidigital number, since it uses as much as digits as its factorization.

1322011000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683323.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1322011000021 its reverse (1200001102231), we get a palindrome (2522012102252).

The spelling of 1322011000021 in words is "one trillion, three hundred twenty-two billion, eleven million, twenty-one", and thus it is an aban number.