100001002100022 has 48 divisors (see below), whose sum is σ = 218022928314048. Its totient is φ = 33125712860160.

The previous prime is 100001002099967. The next prime is 100001002100053. The reversal of 100001002100022 is 220001200100001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100001002099977 and 100001002100013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12026158 + ... + 18564225.

It is an arithmetic number, because the mean of its divisors is an integer number (4542144339876).

Almost surely, 2^{100001002100022} is an apocalyptic number.

100001002100022 is an abundant number, since it is smaller than the sum of its proper divisors (118021926214026).

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

100001002100022 is a wasteful number, since it uses less digits than its factorization.

100001002100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30591525 (or 30591522 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100001002100022 its reverse (220001200100001), we get a palindrome (320002202200023).

The spelling of 100001002100022 in words is "one hundred trillion, one billion, two million, one hundred thousand, twenty-two".