13353121245021 has 16 divisors (see below), whose sum is σ = 17822258154240. Its totient is φ = 8893033934400.

The previous prime is 13353121245017. The next prime is 13353121245031. The reversal of 13353121245021 is 12054212135331.

It is a happy number.

It is not a de Polignac number, because 13353121245021 - 2² = 13353121245017 is a prime.

It is a super-2 number, since 2×13353121245021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13353121245031) 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, 41057596 + ... + 41381546.

It is an arithmetic number, because the mean of its divisors is an integer number (1113891134640).

Almost surely, 2^{13353121245021} is an apocalyptic number.

It is an amenable number.

13353121245021 is a deficient number, since it is larger than the sum of its proper divisors (4469136909219).

13353121245021 is a wasteful number, since it uses less digits than its factorization.

13353121245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337876.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 13353121245021 in words is "thirteen trillion, three hundred fifty-three billion, one hundred twenty-one million, two hundred forty-five thousand, twenty-one".