121120010011100 has 18 divisors (see below), whose sum is σ = 262830421724304. Its totient is φ = 48448004004400.

The previous prime is 121120010011069. The next prime is 121120010011103. The reversal of 121120010011100 is 1110010021121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120010011103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605600049956 + ... + 605600050155.

Almost surely, 2^{121120010011100} is an apocalyptic number.

121120010011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120010011100 is an abundant number, since it is smaller than the sum of its proper divisors (141710411713204).

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

121120010011100 is a wasteful number, since it uses less digits than its factorization.

121120010011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211200100125 (or 1211200100118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121120010011100 its reverse (1110010021121), we get a palindrome (122230020032221).

The spelling of 121120010011100 in words is "one hundred twenty-one trillion, one hundred twenty billion, ten million, eleven thousand, one hundred".