103320121100020 has 48 divisors (see below), whose sum is σ = 236870156089728. Its totient is φ = 37543468780160.

The previous prime is 103320121100011. The next prime is 103320121100047. The reversal of 103320121100020 is 20001121023301.

It is a junction number, because it is equal to n+sod(n) for n = 103320121099967 and 103320121100003.

It is a congruent number.

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, 171475747 + ... + 172077226.

It is an arithmetic number, because the mean of its divisors is an integer number (4934794918536).

Almost surely, 2^{103320121100020} is an apocalyptic number.

103320121100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103320121100020 is an abundant number, since it is smaller than the sum of its proper divisors (133550034989708).

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

103320121100020 is a wasteful number, since it uses less digits than its factorization.

103320121100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343554360 (or 343554358 counting only the distinct ones).

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

Adding to 103320121100020 its reverse (20001121023301), we get a palindrome (123321242123321).

The spelling of 103320121100020 in words is "one hundred three trillion, three hundred twenty billion, one hundred twenty-one million, one hundred thousand, twenty".