121100000011100 has 72 divisors (see below), whose sum is σ = 289515111003216. Its totient is φ = 43600360000000.

The previous prime is 121100000011097. The next prime is 121100000011139. The reversal of 121100000011100 is 1110000001121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544893401 + ... + 545115600.

It is an arithmetic number, because the mean of its divisors is an integer number (4021043208378).

Almost surely, 2^{121100000011100} is an apocalyptic number.

121100000011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100000011100 is an abundant number, since it is smaller than the sum of its proper divisors (168415110992116).

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

121100000011100 is a wasteful number, since it uses less digits than its factorization.

121100000011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090009127 (or 1090009120 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 121100000011100 its reverse (1110000001121), we get a palindrome (122210000012221).

The spelling of 121100000011100 in words is "one hundred twenty-one trillion, one hundred billion, eleven thousand, one hundred".