133021323111 has 32 divisors (see below), whose sum is σ = 188345712640. Its totient is φ = 83272631904.

The previous prime is 133021323059. The next prime is 133021323137. The reversal of 133021323111 is 111323120331.

It is a happy number.

It is not a de Polignac number, because 133021323111 - 2⁷ = 133021322983 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 (133021323151) 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, 8121216 + ... + 8137578.

It is an arithmetic number, because the mean of its divisors is an integer number (5885803520).

Almost surely, 2^133021323111 is an apocalyptic number.

133021323111 is a deficient number, since it is larger than the sum of its proper divisors (55324389529).

133021323111 is a wasteful number, since it uses less digits than its factorization.

133021323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17635.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133021323111 its reverse (111323120331), we get a palindrome (244344443442).

The spelling of 133021323111 in words is "one hundred thirty-three billion, twenty-one million, three hundred twenty-three thousand, one hundred eleven".