121213213114 has 16 divisors (see below), whose sum is σ = 210297624768. Its totient is φ = 51322633632.

The previous prime is 121213213111. The next prime is 121213213117. The reversal of 121213213114 is 411312312121.

It is an interprime number because it is at equal distance from previous prime (121213213111) and next prime (121213213117).

It is not an unprimeable number, because it can be changed into a prime (121213213111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52155987 + ... + 52158310.

It is an arithmetic number, because the mean of its divisors is an integer number (13143601548).

Almost surely, 2^121213213114 is an apocalyptic number.

121213213114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121213213114 is a deficient number, since it is larger than the sum of its proper divisors (89084411654).

121213213114 is a wasteful number, since it uses less digits than its factorization.

121213213114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104314389.

The product of its digits is 288, while the sum is 22.

Adding to 121213213114 its reverse (411312312121), we get a palindrome (532525525235).

The spelling of 121213213114 in words is "one hundred twenty-one billion, two hundred thirteen million, two hundred thirteen thousand, one hundred fourteen".