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210002111111101 = 647714374543559
BaseRepresentation
bin101111101111111011101101…
…001111000001111110111101
31000112120000011012021212101211
4233233323231033001332331
5210011133310421023401
62022345345451004421
762143103040064021
oct5757735517017675
91015500135255354
10210002111111101
1160a05438a84391
121b677996139711
1390241638c576a
1439c0229292381
1519429844e1951
hexbefeed3c1fbd

210002111111101 has 8 divisors (see below), whose sum is σ = 210329679853440. Its totient is φ = 209674551600048.

The previous prime is 210002111111071. The next prime is 210002111111129. The reversal of 210002111111101 is 101111111200012.

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

It is a cyclic number.

It is not a de Polignac number, because 210002111111101 - 235 = 209967751372733 is a prime.

It is a super-2 number, since 2×2100021111111012 (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 (210002111111171) 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, 43947960 + ... + 48491518.

It is an arithmetic number, because the mean of its divisors is an integer number (26291209981680).

Almost surely, 2210002111111101 is an apocalyptic number.

It is an amenable number.

210002111111101 is a deficient number, since it is larger than the sum of its proper divisors (327568742339).

210002111111101 is an equidigital number, since it uses as much as digits as its factorization.

210002111111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615643.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 210002111111101 its reverse (101111111200012), we get a palindrome (311113222311113).

The spelling of 210002111111101 in words is "two hundred ten trillion, two billion, one hundred eleven million, one hundred eleven thousand, one hundred one".

Divisors: 1 647 71437 4543559 46219739 2939682673 324578224283 210002111111101