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100100021210101 = 119100001928191
BaseRepresentation
bin10110110000101001011010…
…001101001100101111110101
3111010102110122120212110022201
4112300221122031030233311
5101110014320412210401
6552521152004224501
730040662561326623
oct2660513215145765
9433373576773281
10100100021210101
11299931a9409790
12b28807a69b131
1343b1512170833
141aa0c1c9d4513
15b88c707e8b01
hex5b0a5a34cbf5

100100021210101 has 4 divisors (see below), whose sum is σ = 109200023138304. Its totient is φ = 91000019281900.

The previous prime is 100100021210089. The next prime is 100100021210117. The reversal of 100100021210101 is 101012120001001.

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 a cyclic number.

It is not a de Polignac number, because 100100021210101 - 243 = 91303928187893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100021210131) 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, 4550000964085 + ... + 4550000964106.

It is an arithmetic number, because the mean of its divisors is an integer number (27300005784576).

Almost surely, 2100100021210101 is an apocalyptic number.

100100021210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100100021210101 is a deficient number, since it is larger than the sum of its proper divisors (9100001928203).

100100021210101 is an equidigital number, since it uses as much as digits as its factorization.

100100021210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100001928202.

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

Adding to 100100021210101 its reverse (101012120001001), we get a palindrome (201112141211102).

The spelling of 100100021210101 in words is "one hundred trillion, one hundred billion, twenty-one million, two hundred ten thousand, one hundred one".

Divisors: 1 11 9100001928191 100100021210101