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101220222120201 = 33171284117173379
BaseRepresentation
bin10111000000111100101011…
…011000100011000100001001
3111021101120002022111210011000
4113000330223120203010021
5101231343003330321301
6555135532245325213
730214630315056042
oct2700745330430411
9437346068453130
10101220222120201
112a2852896434a8
12b4291a7706809
134463045139042
141add128d218c9
15ba7e8499e786
hex5c0f2b623109

101220222120201 has 32 divisors (see below), whose sum is σ = 158789193091200. Its totient is φ = 63505777973760.

The previous prime is 101220222120179. The next prime is 101220222120239. The reversal of 101220222120201 is 102021222022101.

It is a happy number.

101220222120201 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 2 + 221 + 20 + 201 = 666.

It is not a de Polignac number, because 101220222120201 - 26 = 101220222120137 is a prime.

It is a super-3 number, since 3×1012202221202013 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (101220222121201) 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, 2692671 + ... + 14480708.

It is an arithmetic number, because the mean of its divisors is an integer number (4962162284100).

Almost surely, 2101220222120201 is an apocalyptic number.

It is an amenable number.

101220222120201 is a deficient number, since it is larger than the sum of its proper divisors (57568970970999).

101220222120201 is a wasteful number, since it uses less digits than its factorization.

101220222120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186246 (or 17186240 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101220222120201 its reverse (102021222022101), we get a palindrome (203241444142302).

The spelling of 101220222120201 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 9 17 27 51 153 459 12841 38523 115569 218297 346707 654891 1964673 5894019 17173379 51520137 154560411 291947443 463681233 875842329 2627526987 7882580961 220523359739 661570079217 1984710237651 3748897115563 5954130712953 11246691346689 33740074040067 101220222120201