121100413413 has 16 divisors (see below), whose sum is σ = 184553131520. Its totient is φ = 69193048176.

The previous prime is 121100413397. The next prime is 121100413451. The reversal of 121100413413 is 314314001121.

It is not a de Polignac number, because 121100413413 - 2⁴ = 121100413397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121100413413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100413453) 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, 89083 + ... + 500136.

It is an arithmetic number, because the mean of its divisors is an integer number (11534570720).

Almost surely, 2^121100413413 is an apocalyptic number.

It is an amenable number.

121100413413 is a deficient number, since it is larger than the sum of its proper divisors (63452718107).

121100413413 is an equidigital number, since it uses as much as digits as its factorization.

121100413413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599016.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121100413413 its reverse (314314001121), we get a palindrome (435414414534).

The spelling of 121100413413 in words is "one hundred twenty-one billion, one hundred million, four hundred thirteen thousand, four hundred thirteen".