133120421321111 has 32 divisors (see below), whose sum is σ = 160437934594560. Its totient is φ = 107900110958976.

The previous prime is 133120421321087. The next prime is 133120421321119. The reversal of 133120421321111 is 111123124021331.

It is not a de Polignac number, because 133120421321111 - 2⁴⁶ = 62751677143447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120421321119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198308540 + ... + 198978686.

It is an arithmetic number, because the mean of its divisors is an integer number (5013685456080).

Almost surely, 2^{133120421321111} is an apocalyptic number.

133120421321111 is a deficient number, since it is larger than the sum of its proper divisors (27317513273449).

133120421321111 is a wasteful number, since it uses less digits than its factorization.

133120421321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672903.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 133120421321111 its reverse (111123124021331), we get a palindrome (244243545342442).

The spelling of 133120421321111 in words is "one hundred thirty-three trillion, one hundred twenty billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred eleven".