100001201120220 has 48 divisors (see below), whose sum is σ = 280004296578048. Its totient is φ = 26666898066240.

The previous prime is 100001201120189. The next prime is 100001201120257. The reversal of 100001201120220 is 22021102100001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100001201120196 and 100001201120205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16472457 + ... + 21710463.

It is an arithmetic number, because the mean of its divisors is an integer number (5833422845376).

Almost surely, 2^{100001201120220} is an apocalyptic number.

100001201120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001201120220 is an abundant number, since it is smaller than the sum of its proper divisors (180003095457828).

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

100001201120220 is a wasteful number, since it uses less digits than its factorization.

100001201120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556210 (or 5556208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100001201120220 its reverse (22021102100001), we get a palindrome (122022303220221).

The spelling of 100001201120220 in words is "one hundred trillion, one billion, two hundred one million, one hundred twenty thousand, two hundred twenty".