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100021111002001 = 714288730143143
BaseRepresentation
bin10110101111011111111010…
…110010101001001110010001
3111010010220222012101112202201
4112233133322302221032101
5101102221213404031001
6552421021500443201
730032200241534110
oct2657377262511621
9433126865345681
10100021111002001
1129962795685472
12b274917849501
1343a6c47a541c7
141a9b09489bc77
15b86ba2d46501
hex5af7faca9391

100021111002001 has 4 divisors (see below), whose sum is σ = 114309841145152. Its totient is φ = 85732380858852.

The previous prime is 100021111001993. The next prime is 100021111002013. The reversal of 100021111002001 is 100200111120001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100021111002001 - 23 = 100021111001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021111002041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7144365071565 + ... + 7144365071578.

It is an arithmetic number, because the mean of its divisors is an integer number (28577460286288).

Almost surely, 2100021111002001 is an apocalyptic number.

It is an amenable number.

100021111002001 is a deficient number, since it is larger than the sum of its proper divisors (14288730143151).

100021111002001 is an equidigital number, since it uses as much as digits as its factorization.

100021111002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288730143150.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100021111002001 its reverse (100200111120001), we get a palindrome (200221222122002).

The spelling of 100021111002001 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, two thousand, one".

Divisors: 1 7 14288730143143 100021111002001