21150220166114 has 32 divisors (see below), whose sum is σ = 34278744205440. Its totient is φ = 9729394319232.

The previous prime is 21150220166111. The next prime is 21150220166123. The reversal of 21150220166114 is 41166102205112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21150220166111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11512259 + ... + 13222425.

It is an arithmetic number, because the mean of its divisors is an integer number (1071210756420).

Almost surely, 2^{21150220166114} is an apocalyptic number.

21150220166114 is a deficient number, since it is larger than the sum of its proper divisors (13128524039326).

21150220166114 is a wasteful number, since it uses less digits than its factorization.

21150220166114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711754.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 21150220166114 in words is "twenty-one trillion, one hundred fifty billion, two hundred twenty million, one hundred sixty-six thousand, one hundred fourteen".