100220001101020 has 12 divisors (see below), whose sum is σ = 210462002312184. Its totient is φ = 40088000440400.

The previous prime is 100220001100997. The next prime is 100220001101039. The reversal of 100220001101020 is 20101100022001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100220001100988 and 100220001101006.

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, 2505500027506 + ... + 2505500027545.

It is an arithmetic number, because the mean of its divisors is an integer number (17538500192682).

Almost surely, 2^{100220001101020} is an apocalyptic number.

100220001101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220001101020 is an abundant number, since it is smaller than the sum of its proper divisors (110242001211164).

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

100220001101020 is a wasteful number, since it uses less digits than its factorization.

100220001101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011000055060 (or 5011000055058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100220001101020 its reverse (20101100022001), we get a palindrome (120321101123021).

The spelling of 100220001101020 in words is "one hundred trillion, two hundred twenty billion, one million, one hundred one thousand, twenty".