100220103220120 has 128 divisors (see below), whose sum is σ = 252148741992000. Its totient is φ = 35595513354240.

The previous prime is 100220103220103. The next prime is 100220103220121. The reversal of 100220103220120 is 21022301022001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100220103220094 and 100220103220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220103220121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8296446 + ... + 16409485.

Almost surely, 2^{100220103220120} is an apocalyptic number.

100220103220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220103220120 is an abundant number, since it is smaller than the sum of its proper divisors (151928638771880).

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

100220103220120 is a wasteful number, since it uses less digits than its factorization.

100220103220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706253 (or 24706249 counting only the distinct ones).

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

Adding to 100220103220120 its reverse (21022301022001), we get a palindrome (121242404242121).

The spelling of 100220103220120 in words is "one hundred trillion, two hundred twenty billion, one hundred three million, two hundred twenty thousand, one hundred twenty".