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12101221102201 = 711157158715613
BaseRepresentation
bin1011000000011000100011…
…1111000011001001111001
31120211212100220102212100121
42300012020333003021321
53041231300100232301
641423120233333241
72356166353125520
oct260061077031171
946755326385317
1012101221102201
11394610a91a080
12143536a567221
1369a1a91a17ba
142db9b8ca34b7
1515eba94633a1
hexb0188fc3279

12101221102201 has 8 divisors (see below), whose sum is σ = 15087236698944. Its totient is φ = 9429522936720.

The previous prime is 12101221102199. The next prime is 12101221102237. The reversal of 12101221102201 is 10220112210121.

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 12101221102201 - 21 = 12101221102199 is a prime.

It is a super-3 number, since 3×121012211022013 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101221102291) 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, 78579357730 + ... + 78579357883.

It is an arithmetic number, because the mean of its divisors is an integer number (1885904587368).

Almost surely, 212101221102201 is an apocalyptic number.

12101221102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101221102201 is a deficient number, since it is larger than the sum of its proper divisors (2986015596743).

12101221102201 is a wasteful number, since it uses less digits than its factorization.

12101221102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157158715631.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12101221102201 its reverse (10220112210121), we get a palindrome (22321333312322).

The spelling of 12101221102201 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred two thousand, two hundred one".

Divisors: 1 7 11 77 157158715613 1100111009291 1728745871743 12101221102201