121100300132020 has 48 divisors (see below), whose sum is σ = 277431709657536. Its totient is φ = 44036166240000.

The previous prime is 121100300131963. The next prime is 121100300132023. The reversal of 121100300132020 is 20231003001121.

It is a junction number, because it is equal to n+sod(n) for n = 121100300131985 and 121100300132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100300132023) 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, 31046920 + ... + 34729120.

It is an arithmetic number, because the mean of its divisors is an integer number (5779827284532).

Almost surely, 2^{121100300132020} is an apocalyptic number.

121100300132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100300132020 is an abundant number, since it is smaller than the sum of its proper divisors (156331409525516).

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

121100300132020 is a wasteful number, since it uses less digits than its factorization.

121100300132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831712 (or 3831710 counting only the distinct ones).

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

Adding to 121100300132020 its reverse (20231003001121), we get a palindrome (141331303133141).

The spelling of 121100300132020 in words is "one hundred twenty-one trillion, one hundred billion, three hundred million, one hundred thirty-two thousand, twenty".