133455104122021 has 8 divisors (see below), whose sum is σ = 145674721299744. Its totient is φ = 121250042775120.

The previous prime is 133455104122003. The next prime is 133455104122033. The reversal of 133455104122021 is 120221401554331.

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 133455104122021 - 2¹¹ = 133455104119973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133455104122061) 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, 3638938530 + ... + 3638975203.

It is an arithmetic number, because the mean of its divisors is an integer number (18209340162468).

Almost surely, 2^{133455104122021} is an apocalyptic number.

133455104122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133455104122021 is a deficient number, since it is larger than the sum of its proper divisors (12219617177723).

133455104122021 is a wasteful number, since it uses less digits than its factorization.

133455104122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277915411.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 133455104122021 its reverse (120221401554331), we get a palindrome (253676505676352).

The spelling of 133455104122021 in words is "one hundred thirty-three trillion, four hundred fifty-five billion, one hundred four million, one hundred twenty-two thousand, twenty-one".