133021422002161 has 16 divisors (see below), whose sum is σ = 166374745676928. Its totient is φ = 103321896163200.

The previous prime is 133021422002137. The next prime is 133021422002167. The reversal of 133021422002161 is 161200224120331.

It is not a de Polignac number, because 133021422002161 - 2¹⁷ = 133021421871089 is a prime.

It is a super-2 number, since 2×133021422002161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133021422002167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759641930 + ... + 2759690131.

It is an arithmetic number, because the mean of its divisors is an integer number (10398421604808).

Almost surely, 2^{133021422002161} is an apocalyptic number.

133021422002161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133021422002161 is a deficient number, since it is larger than the sum of its proper divisors (33353323674767).

133021422002161 is a wasteful number, since it uses less digits than its factorization.

133021422002161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519332392.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 133021422002161 its reverse (161200224120331), we get a palindrome (294221646122492).

The spelling of 133021422002161 in words is "one hundred thirty-three trillion, twenty-one billion, four hundred twenty-two million, two thousand, one hundred sixty-one".