133211001001 has 8 divisors (see below), whose sum is σ = 144505141704. Its totient is φ = 122066451840.

The previous prime is 133211000971. The next prime is 133211001013. The reversal of 133211001001 is 100100112331.

It can be written as a sum of positive squares in 4 ways, for example, as 1757621776 + 131453379225 = 41924^2 + 362565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133211001001 - 2⁵ = 133211000969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133211001031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37396030 + ... + 37399591.

It is an arithmetic number, because the mean of its divisors is an integer number (18063142713).

Almost surely, 2^133211001001 is an apocalyptic number.

It is an amenable number.

133211001001 is a deficient number, since it is larger than the sum of its proper divisors (11294140703).

133211001001 is a wasteful number, since it uses less digits than its factorization.

133211001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74795771.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 133211001001 its reverse (100100112331), we get a palindrome (233311113332).

The spelling of 133211001001 in words is "one hundred thirty-three billion, two hundred eleven million, one thousand, one".