1201103103220 has 12 divisors (see below), whose sum is σ = 2522316516804. Its totient is φ = 480441241280.

The previous prime is 1201103103169. The next prime is 1201103103241. The reversal of 1201103103220 is 223013011021.

It can be written as a sum of positive squares in 2 ways, for example, as 484920035044 + 716183068176 = 696362^2 + 846276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201103103194 and 1201103103203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30027577561 + ... + 30027577600.

It is an arithmetic number, because the mean of its divisors is an integer number (210193043067).

Almost surely, 2^{1201103103220} is an apocalyptic number.

1201103103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201103103220 is an abundant number, since it is smaller than the sum of its proper divisors (1321213413584).

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

1201103103220 is a wasteful number, since it uses less digits than its factorization.

1201103103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60055155170 (or 60055155168 counting only the distinct ones).

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

Adding to 1201103103220 its reverse (223013011021), we get a palindrome (1424116114241).

The spelling of 1201103103220 in words is "one trillion, two hundred one billion, one hundred three million, one hundred three thousand, two hundred twenty".