100001000002220 has 12 divisors (see below), whose sum is σ = 210002100004704. Its totient is φ = 40000400000880.

The previous prime is 100001000002121. The next prime is 100001000002247. The reversal of 100001000002220 is 22200000100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001000002198 and 100001000002207.

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, 2500025000036 + ... + 2500025000075.

It is an arithmetic number, because the mean of its divisors is an integer number (17500175000392).

Almost surely, 2^{100001000002220} is an apocalyptic number.

100001000002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001000002220 is an abundant number, since it is smaller than the sum of its proper divisors (110001100002484).

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

100001000002220 is a wasteful number, since it uses less digits than its factorization.

100001000002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000050000120 (or 5000050000118 counting only the distinct ones).

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

Adding to 100001000002220 its reverse (22200000100001), we get a palindrome (122201000102221).

The spelling of 100001000002220 in words is "one hundred trillion, one billion, two thousand, two hundred twenty".