1301000220100 has 54 divisors (see below), whose sum is σ = 3284096282250. Its totient is φ = 446057216640.

The previous prime is 1301000220083. The next prime is 1301000220133. The reversal of 1301000220100 is 10220001031.

It can be written as a sum of positive squares in 3 ways, for example, as 451565184196 + 849435035904 = 671986^2 + 921648^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 132750225 + ... + 132760024.

Almost surely, 2^{1301000220100} is an apocalyptic number.

1301000220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301000220100 is an abundant number, since it is smaller than the sum of its proper divisors (1983096062150).

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

1301000220100 is a wasteful number, since it uses less digits than its factorization.

1301000220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265510277 (or 265510263 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1301000220100 its reverse (10220001031), we get a palindrome (1311220221131).

The spelling of 1301000220100 in words is "one trillion, three hundred one billion, two hundred twenty thousand, one hundred".