133011142130221 has 16 divisors (see below), whose sum is σ = 137481864081408. Its totient is φ = 128608875161200.

The previous prime is 133011142130143. The next prime is 133011142130257. The reversal of 133011142130221 is 122031241110331.

It is a cyclic number.

It is not a de Polignac number, because 133011142130221 - 2²¹ = 133011140033069 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 (133011142190221) 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, 136482456 + ... + 137453566.

It is an arithmetic number, because the mean of its divisors is an integer number (8592616505088).

Almost surely, 2^{133011142130221} is an apocalyptic number.

It is an amenable number.

133011142130221 is a deficient number, since it is larger than the sum of its proper divisors (4470721951187).

133011142130221 is an equidigital number, since it uses as much as digits as its factorization.

133011142130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006352.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 133011142130221 its reverse (122031241110331), we get a palindrome (255042383240552).

The spelling of 133011142130221 in words is "one hundred thirty-three trillion, eleven billion, one hundred forty-two million, one hundred thirty thousand, two hundred twenty-one".