1000101000220 has 48 divisors (see below), whose sum is σ = 2401521796800. Its totient is φ = 342709000704.

The previous prime is 1000101000211. The next prime is 1000101000287. The reversal of 1000101000220 is 220001010001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640145 + ... + 2165704.

It is an arithmetic number, because the mean of its divisors is an integer number (50031704100).

Almost surely, 2^{1000101000220} is an apocalyptic number.

1000101000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000101000220 is an abundant number, since it is smaller than the sum of its proper divisors (1401420796580).

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

1000101000220 is a wasteful number, since it uses less digits than its factorization.

1000101000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807742 (or 3807740 counting only the distinct ones).

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

Adding to 1000101000220 its reverse (220001010001), we get a palindrome (1220102010221).

The spelling of 1000101000220 in words is "one trillion, one hundred one million, two hundred twenty", and thus it is an aban number.