21334165333151 has 4 divisors (see below), whose sum is σ = 23273634908904. Its totient is φ = 19394695757400.

The previous prime is 21334165333141. The next prime is 21334165333177. The reversal of 21334165333151 is 15133356143312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21334165333151 - 2³⁴ = 21316985463967 is a prime.

It is a super-2 number, since 2×21334165333151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21334165333099 and 21334165333108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334165333111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969734787860 + ... + 969734787881.

It is an arithmetic number, because the mean of its divisors is an integer number (5818408727226).

Almost surely, 2^{21334165333151} is an apocalyptic number.

21334165333151 is a deficient number, since it is larger than the sum of its proper divisors (1939469575753).

21334165333151 is a wasteful number, since it uses less digits than its factorization.

21334165333151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939469575752.

The product of its digits is 291600, while the sum is 41.

The spelling of 21334165333151 in words is "twenty-one trillion, three hundred thirty-four billion, one hundred sixty-five million, three hundred thirty-three thousand, one hundred fifty-one".