13020022120021 has 16 divisors (see below), whose sum is σ = 14901114009600. Its totient is φ = 11144208410928.

The previous prime is 13020022119931. The next prime is 13020022120037. The reversal of 13020022120021 is 12002122002031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13020022120021 - 2⁷ = 13020022119893 is a prime.

It is a super-2 number, since 2×13020022120021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13020022119977 and 13020022120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020022120621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26081400 + ... + 26575918.

It is an arithmetic number, because the mean of its divisors is an integer number (931319625600).

Almost surely, 2^{13020022120021} is an apocalyptic number.

It is an amenable number.

13020022120021 is a deficient number, since it is larger than the sum of its proper divisors (1881091889579).

13020022120021 is an equidigital number, since it uses as much as digits as its factorization.

13020022120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499848.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13020022120021 its reverse (12002122002031), we get a palindrome (25022144122052).

The spelling of 13020022120021 in words is "thirteen trillion, twenty billion, twenty-two million, one hundred twenty thousand, twenty-one".