133101332321421 has 16 divisors (see below), whose sum is σ = 181567181949120. Its totient is φ = 86698746151680.

The previous prime is 133101332321359. The next prime is 133101332321467. The reversal of 133101332321421 is 124123233101331.

It is not a de Polignac number, because 133101332321421 - 2⁹ = 133101332320909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101332321471) 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, 1736715411 + ... + 1736792048.

It is an arithmetic number, because the mean of its divisors is an integer number (11347948871820).

Almost surely, 2^{133101332321421} is an apocalyptic number.

It is an amenable number.

133101332321421 is a deficient number, since it is larger than the sum of its proper divisors (48465849627699).

133101332321421 is a wasteful number, since it uses less digits than its factorization.

133101332321421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473507756.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 133101332321421 its reverse (124123233101331), we get a palindrome (257224565422752).

The spelling of 133101332321421 in words is "one hundred thirty-three trillion, one hundred one billion, three hundred thirty-two million, three hundred twenty-one thousand, four hundred twenty-one".