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210100210221101 = 284637381520227
BaseRepresentation
bin101111110001010111000100…
…011001011100000000101101
31000112220101100220001222210012
4233301113010121130000231
5210014240212304033401
62022502412031223005
762153145032545124
oct5761270431340055
91015811326058705
10210100210221101
1160a42aa9406712
121b6929b3377a65
13903049864c505
1439c4c93a96abb
1519452c68e48bb
hexbf15c465c02d

210100210221101 has 4 divisors (see below), whose sum is σ = 210107591769792. Its totient is φ = 210092828672412.

The previous prime is 210100210221091. The next prime is 210100210221131. The reversal of 210100210221101 is 101122012001012.

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 a de Polignac number, because none of the positive numbers 2k-210100210221101 is a prime.

It is a super-2 number, since 2×2101002102211012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100210221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690731651 + ... + 3690788576.

It is an arithmetic number, because the mean of its divisors is an integer number (52526897942448).

Almost surely, 2210100210221101 is an apocalyptic number.

It is an amenable number.

210100210221101 is a deficient number, since it is larger than the sum of its proper divisors (7381548691).

210100210221101 is an equidigital number, since it uses as much as digits as its factorization.

210100210221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381548690.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210100210221101 its reverse (101122012001012), we get a palindrome (311222222222113).

The spelling of 210100210221101 in words is "two hundred ten trillion, one hundred billion, two hundred ten million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 28463 7381520227 210100210221101