121202011102120 has 64 divisors (see below), whose sum is σ = 293722296351120. Its totient is φ = 44745340329984.

The previous prime is 121202011102069. The next prime is 121202011102163. The reversal of 121202011102120 is 21201110202121.

It can be written as a sum of positive squares in 8 ways, for example, as 8484252375076 + 112717758727044 = 2912774^2 + 10616862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121202011102094 and 121202011102103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12296329 + ... + 19839448.

Almost surely, 2^{121202011102120} is an apocalyptic number.

121202011102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202011102120 is an abundant number, since it is smaller than the sum of its proper divisors (172520285249000).

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

121202011102120 is a wasteful number, since it uses less digits than its factorization.

121202011102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32143054 (or 32143050 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121202011102120 its reverse (21201110202121), we get a palindrome (142403121304241).

The spelling of 121202011102120 in words is "one hundred twenty-one trillion, two hundred two billion, eleven million, one hundred two thousand, one hundred twenty".