121214333156164 has 24 divisors (see below), whose sum is σ = 213549192097920. Its totient is φ = 60201555787296.

The previous prime is 121214333156153. The next prime is 121214333156171. The reversal of 121214333156164 is 461651333412121.

It is a super-2 number, since 2×121214333156164² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121214333156164.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159309682 + ... + 160068745.

It is an arithmetic number, because the mean of its divisors is an integer number (8897883004080).

Almost surely, 2^{121214333156164} is an apocalyptic number.

It is an amenable number.

121214333156164 is a deficient number, since it is larger than the sum of its proper divisors (92334858941756).

121214333156164 is a wasteful number, since it uses less digits than its factorization.

121214333156164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319379067 (or 319379065 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

Adding to 121214333156164 its reverse (461651333412121), we get a palindrome (582865666568285).

The spelling of 121214333156164 in words is "one hundred twenty-one trillion, two hundred fourteen billion, three hundred thirty-three million, one hundred fifty-six thousand, one hundred sixty-four".