1001103420220 has 48 divisors (see below), whose sum is σ = 2138178631680. Its totient is φ = 393612070464.

The previous prime is 1001103420209. The next prime is 1001103420241. The reversal of 1001103420220 is 220243011001.

It is a junction number, because it is equal to n+sod(n) for n = 1001103420194 and 1001103420203.

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, 12428917 + ... + 12509203.

It is an arithmetic number, because the mean of its divisors is an integer number (44545388160).

Almost surely, 2^{1001103420220} is an apocalyptic number.

1001103420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001103420220 is an abundant number, since it is smaller than the sum of its proper divisors (1137075211460).

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

1001103420220 is a wasteful number, since it uses less digits than its factorization.

1001103420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90922 (or 90920 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1001103420220 its reverse (220243011001), we get a palindrome (1221346431221).

The spelling of 1001103420220 in words is "one trillion, one billion, one hundred three million, four hundred twenty thousand, two hundred twenty".