121302100320100 has 36 divisors (see below), whose sum is σ = 300829208795584. Its totient is φ = 41589291538080.

The previous prime is 121302100320061. The next prime is 121302100320131. The reversal of 121302100320100 is 1023001203121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86644356672 + ... + 86644358071.

Almost surely, 2^{121302100320100} is an apocalyptic number.

121302100320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121302100320100 is an abundant number, since it is smaller than the sum of its proper divisors (179527108475484).

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

121302100320100 is a wasteful number, since it uses less digits than its factorization.

121302100320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173288714764 (or 173288714757 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121302100320100 its reverse (1023001203121), we get a palindrome (122325101523221).

The spelling of 121302100320100 in words is "one hundred twenty-one trillion, three hundred two billion, one hundred million, three hundred twenty thousand, one hundred".