103113020221020 has 144 divisors (see below), whose sum is σ = 313297770240000. Its totient is φ = 27450956937600.

The previous prime is 103113020220989. The next prime is 103113020221109. The reversal of 103113020221020 is 20122020311301.

103113020221020 is a `hidden beast` number, since 1 + 0 + 311 + 302 + 0 + 22 + 10 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103113020220984 and 103113020221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1718548981 + ... + 1718608979.

It is an arithmetic number, because the mean of its divisors is an integer number (2175678960000).

Almost surely, 2^{103113020221020} is an apocalyptic number.

103113020221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103113020221020 is an abundant number, since it is smaller than the sum of its proper divisors (210184750018980).

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

103113020221020 is a wasteful number, since it uses less digits than its factorization.

103113020221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75776 (or 75771 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103113020221020 its reverse (20122020311301), we get a palindrome (123235040532321).

The spelling of 103113020221020 in words is "one hundred three trillion, one hundred thirteen billion, twenty million, two hundred twenty-one thousand, twenty".