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100121020210221 = 3231451029278409
BaseRepresentation
bin10110110000111100111101…
…110110000001110000101101
3111010111110212001012012002220
4112300330331312001300231
5101110340322133211341
6552534543421505553
730042335134021413
oct2660747566016055
9433443761165086
10100121020210221
11299a10a483933a
12b29015b1122b9
1343b34aa7c54aa
141aa1c518472b3
15b8959e0e9a66
hex5b0f3dd81c2d

100121020210221 has 8 divisors (see below), whose sum is σ = 139298810727360. Its totient is φ = 63845288249952.

The previous prime is 100121020210201. The next prime is 100121020210349. The reversal of 100121020210221 is 122012020121001.

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

It is not a de Polignac number, because 100121020210221 - 27 = 100121020210093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100121020210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121020210201) 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, 725514639136 + ... + 725514639273.

It is an arithmetic number, because the mean of its divisors is an integer number (17412351340920).

Almost surely, 2100121020210221 is an apocalyptic number.

It is an amenable number.

100121020210221 is a deficient number, since it is larger than the sum of its proper divisors (39177790517139).

100121020210221 is a wasteful number, since it uses less digits than its factorization.

100121020210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451029278435.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100121020210221 its reverse (122012020121001), we get a palindrome (222133040331222).

The spelling of 100121020210221 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 23 69 1451029278409 4353087835227 33373673403407 100121020210221