122021110101166 has 32 divisors (see below), whose sum is σ = 183537915821568. Its totient is φ = 60841976665440.

The previous prime is 122021110101103. The next prime is 122021110101167. The reversal of 122021110101166 is 661101011120221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122021110101166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021110101167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19297974081 + ... + 19297980403.

It is an arithmetic number, because the mean of its divisors is an integer number (5735559869424).

Almost surely, 2^{122021110101166} is an apocalyptic number.

122021110101166 is a deficient number, since it is larger than the sum of its proper divisors (61516805720402).

122021110101166 is a wasteful number, since it uses less digits than its factorization.

122021110101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15936.

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 122021110101166 its reverse (661101011120221), we get a palindrome (783122121221387).

The spelling of 122021110101166 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred ten million, one hundred one thousand, one hundred sixty-six".