121100516214 has 16 divisors (see below), whose sum is σ = 242316446400. Its totient is φ = 40347603080.

The previous prime is 121100516203. The next prime is 121100516219. The reversal of 121100516214 is 412615001121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100516219) 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, 4795272 + ... + 4820459.

It is an arithmetic number, because the mean of its divisors is an integer number (15144777900).

Almost surely, 2^121100516214 is an apocalyptic number.

121100516214 is an abundant number, since it is smaller than the sum of its proper divisors (121215930186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121100516214 is a wasteful number, since it uses less digits than its factorization.

121100516214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617835.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 121100516214 its reverse (412615001121), we get a palindrome (533715517335).

The spelling of 121100516214 in words is "one hundred twenty-one billion, one hundred million, five hundred sixteen thousand, two hundred fourteen".