133101301221 has 40 divisors (see below), whose sum is σ = 228739685504. Its totient is φ = 75554143200.

The previous prime is 133101301199. The next prime is 133101301243. The reversal of 133101301221 is 122103101331.

133101301221 is a `hidden beast` number, since 1 + 3 + 310 + 130 + 1 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (133101301199) and next prime (133101301243).

It is not a de Polignac number, because 133101301221 - 2²⁷ = 132967083493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133101301194 and 133101301203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101301261) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 691690 + ... + 862923.

Almost surely, 2^133101301221 is an apocalyptic number.

It is an amenable number.

133101301221 is a deficient number, since it is larger than the sum of its proper divisors (95638384283).

133101301221 is a wasteful number, since it uses less digits than its factorization.

133101301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554783 (or 1554774 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 133101301221 its reverse (122103101331), we get a palindrome (255204402552).

The spelling of 133101301221 in words is "one hundred thirty-three billion, one hundred one million, three hundred one thousand, two hundred twenty-one".