133021220210123 has 32 divisors (see below), whose sum is σ = 161093473841664. Its totient is φ = 107226854687232.

The previous prime is 133021220210113. The next prime is 133021220210141. The reversal of 133021220210123 is 321012022120331.

It is not a de Polignac number, because 133021220210123 - 2⁴ = 133021220210107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133021220210113) 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, 854226836 + ... + 854382542.

It is an arithmetic number, because the mean of its divisors is an integer number (5034171057552).

Almost surely, 2^{133021220210123} is an apocalyptic number.

133021220210123 is a deficient number, since it is larger than the sum of its proper divisors (28072253631541).

133021220210123 is a wasteful number, since it uses less digits than its factorization.

133021220210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161331.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 133021220210123 its reverse (321012022120331), we get a palindrome (454033242330454).

The spelling of 133021220210123 in words is "one hundred thirty-three trillion, twenty-one billion, two hundred twenty million, two hundred ten thousand, one hundred twenty-three".