102400121114 has 4 divisors (see below), whose sum is σ = 153600181674. Its totient is φ = 51200060556.

The previous prime is 102400121113. The next prime is 102400121167. The reversal of 102400121114 is 411121004201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411121004201 = 13259 ⋅31006939.

It can be written as a sum of positive squares in only one way, i.e., 100468079089 + 1932042025 = 316967^2 + 43955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102400121092 and 102400121101.

It is not an unprimeable number, because it can be changed into a prime (102400121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25600030277 + ... + 25600030280.

Almost surely, 2^102400121114 is an apocalyptic number.

102400121114 is a deficient number, since it is larger than the sum of its proper divisors (51200060560).

102400121114 is an equidigital number, since it uses as much as digits as its factorization.

102400121114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51200060559.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102400121114 its reverse (411121004201), we get a palindrome (513521125315).

The spelling of 102400121114 in words is "one hundred two billion, four hundred million, one hundred twenty-one thousand, one hundred fourteen".