100000020011001 has 8 divisors (see below), whose sum is σ = 145454574561504. Its totient is φ = 60606072733920.

The previous prime is 100000020010921. The next prime is 100000020011027. The reversal of 100000020011001 is 100110020000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100000020011001 - 2⁹ = 100000020010489 is a prime.

It is a super-2 number, since 2×100000020011001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100000020011051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515151818316 + ... + 1515151818381.

It is an arithmetic number, because the mean of its divisors is an integer number (18181821820188).

Almost surely, 2^{100000020011001} is an apocalyptic number.

100000020011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100000020011001 is a deficient number, since it is larger than the sum of its proper divisors (45454554550503).

100000020011001 is a wasteful number, since it uses less digits than its factorization.

100000020011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030303636711.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 100000020011001 its reverse (100110020000001), we get a palindrome (200110040011002).

The spelling of 100000020011001 in words is "one hundred trillion, twenty million, eleven thousand, one".