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121020222202 = 21128342734549
BaseRepresentation
bin111000010110101011…
…1100000101011111010
3102120101002220021020221
41300231113200223322
53440322134102302
6131332415210254
711512664626105
oct1605527405372
9376332807227
10121020222202
1147362840170
121b55551698a
13b548684b49
145c00a3973c
15323482d937
hex1c2d5e0afa

121020222202 has 32 divisors (see below), whose sum is σ = 198823060800. Its totient is φ = 54789937920.

The previous prime is 121020222187. The next prime is 121020222287. The reversal of 121020222202 is 202222020121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26601424 + ... + 26605972.

It is an arithmetic number, because the mean of its divisors is an integer number (6213220650).

Almost surely, 2121020222202 is an apocalyptic number.

121020222202 is a deficient number, since it is larger than the sum of its proper divisors (77802838598).

121020222202 is a wasteful number, since it uses less digits than its factorization.

121020222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121020222202 its reverse (202222020121), we get a palindrome (323242242323).

The spelling of 121020222202 in words is "one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 11 22 283 566 3113 4273 4549 6226 8546 9098 47003 50039 94006 100078 1209259 1287367 2418518 2574734 13301849 14161037 19437877 26603698 28322074 38875754 213816647 427633294 5500919191 11001838382 60510111101 121020222202