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20101202012101 = 72999020699567
BaseRepresentation
bin1001001001000001011010…
…00000010110011111000101
32122011122201022220101112011
410210200231000112133011
510113314230203341401
6110430210440254221
74143156344645560
oct444405500263705
978148638811464
1020101202012101
11644a965553671
1223078b7a71371
13b2a6c5b40732
144d6c90bb34d7
1524cd298a7451
hex12482d0167c5

20101202012101 has 8 divisors (see below), whose sum is σ = 23764967896320. Its totient is φ = 16635477527088.

The previous prime is 20101202012077. The next prime is 20101202012147. The reversal of 20101202012101 is 10121020210102.

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

It is not a de Polignac number, because 20101202012101 - 231 = 20099054528453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101205012101) 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, 49510349581 + ... + 49510349986.

It is an arithmetic number, because the mean of its divisors is an integer number (2970620987040).

Almost surely, 220101202012101 is an apocalyptic number.

It is an amenable number.

20101202012101 is a deficient number, since it is larger than the sum of its proper divisors (3663765884219).

20101202012101 is an equidigital number, since it uses as much as digits as its factorization.

20101202012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99020699603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101202012101 its reverse (10121020210102), we get a palindrome (30222222222203).

The spelling of 20101202012101 in words is "twenty trillion, one hundred one billion, two hundred two million, twelve thousand, one hundred one".

Divisors: 1 7 29 203 99020699567 693144896969 2871600287443 20101202012101