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121100222202113 = 71142114472581687
BaseRepresentation
bin11011100010001111010111…
…101110100000000100000001
3120212210001211200221211200002
4123202033113232200010001
5111333101223340431423
61105320401333005345
734336126253456240
oct3342172756400401
9525701750854602
10121100222202113
113564a3523a1a10
12116ba04b483855
135275918263a8b
1421c93d3c58957
15e00164899228
hex6e23d7ba0101

121100222202113 has 32 divisors (see below), whose sum is σ = 151445370482688. Its totient is φ = 94074572491200.

The previous prime is 121100222202079. The next prime is 121100222202131. The reversal of 121100222202113 is 311202222001121.

It is not a de Polignac number, because 121100222202113 - 238 = 120825344295169 is a prime.

It is a super-2 number, since 2×1211002222021132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100222201113) 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, 45616556 + ... + 48198242.

It is an arithmetic number, because the mean of its divisors is an integer number (4732667827584).

Almost surely, 2121100222202113 is an apocalyptic number.

It is an amenable number.

121100222202113 is a deficient number, since it is larger than the sum of its proper divisors (30345148280575).

121100222202113 is a wasteful number, since it uses less digits than its factorization.

121100222202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583573.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121100222202113 its reverse (311202222001121), we get a palindrome (432302444203234).

The spelling of 121100222202113 in words is "one hundred twenty-one trillion, one hundred billion, two hundred twenty-two million, two hundred two thousand, one hundred thirteen".

Divisors: 1 7 11 77 421 1447 2947 4631 10129 15917 32417 111419 609187 2581687 4264309 6701057 18071809 28398557 46907399 198789899 1086890227 3735701089 7608231589 11955792497 26149907623 41092711979 83690547479 287648983853 1572730158469 11009111109283 17300031743159 121100222202113