100220100100 has 36 divisors (see below), whose sum is σ = 217491524964. Its totient is φ = 40085476480.

The previous prime is 100220100089. The next prime is 100220100151. The reversal of 100220100100 is 1001022001.

It can be written as a sum of positive squares in 6 ways, for example, as 213627456 + 100006472644 = 14616^2 + 316238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2689194 + ... + 2726206.

It is an arithmetic number, because the mean of its divisors is an integer number (6041431249).

Almost surely, 2^100220100100 is an apocalyptic number.

100220100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220100100 is an abundant number, since it is smaller than the sum of its proper divisors (117271424864).

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

100220100100 is a wasteful number, since it uses less digits than its factorization.

100220100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64104 (or 64097 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100220100100 its reverse (1001022001), we get a palindrome (101221122101).

The spelling of 100220100100 in words is "one hundred billion, two hundred twenty million, one hundred thousand, one hundred".