100001320122 has 16 divisors (see below), whose sum is σ = 218184698592. Its totient is φ = 30303430320.

The previous prime is 100001320079. The next prime is 100001320127. The reversal of 100001320122 is 221023100001.

It is a super-2 number, since 2×100001320122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100001320098 and 100001320107.

It is not an unprimeable number, because it can be changed into a prime (100001320127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757585693 + ... + 757585824.

It is an arithmetic number, because the mean of its divisors is an integer number (13636543662).

Almost surely, 2^100001320122 is an apocalyptic number.

100001320122 is an abundant number, since it is smaller than the sum of its proper divisors (118183378470).

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

100001320122 is a wasteful number, since it uses less digits than its factorization.

100001320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515171533.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100001320122 its reverse (221023100001), we get a palindrome (321024420123).

The spelling of 100001320122 in words is "one hundred billion, one million, three hundred twenty thousand, one hundred twenty-two".