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101102200011221 = 53109521169319841
BaseRepresentation
bin10110111111001110110000…
…101101111011100111010101
3111020222021110011002110001112
4112333032300231323213111
5101222424301200324341
6555005413130104405
730203251523513543
oct2677166055734725
9436867404073045
10101102200011221
112a23a2251a5162
12b40a34a27b105
134454b869579b6
141ad753055ad93
15ba4d78490aeb
hex5bf3b0b7b9d5

101102200011221 has 32 divisors (see below), whose sum is σ = 104221135196640. Its totient is φ = 98033039769600.

The previous prime is 101102200011097. The next prime is 101102200011229. The reversal of 101102200011221 is 122110002201101.

It can be written as a sum of positive squares in 16 ways, for example, as 41439938512996 + 59662261498225 = 6437386^2 + 7724135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101102200011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101102200011196 and 101102200011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102200011229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5095610261 + ... + 5095630101.

It is an arithmetic number, because the mean of its divisors is an integer number (3256910474895).

Almost surely, 2101102200011221 is an apocalyptic number.

It is an amenable number.

101102200011221 is a deficient number, since it is larger than the sum of its proper divisors (3118935185419).

101102200011221 is a wasteful number, since it uses less digits than its factorization.

101102200011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22217.

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

Adding to 101102200011221 its reverse (122110002201101), we get a palindrome (223212202212322).

The spelling of 101102200011221 in words is "one hundred one trillion, one hundred two billion, two hundred million, eleven thousand, two hundred twenty-one".

Divisors: 1 53 109 521 1693 5777 19841 27613 56789 89729 184537 882053 1051573 2162669 3009817 9780461 10337161 33590813 46748809 96143777 114621457 547869533 1126750549 1780313089 3661398617 5095620181 17500813573 59717779097 194054126701 927543119369 1907588679457 101102200011221